Answer:
In the video, the sandcastle represents the surface of the Earth, which is made up of different types of rocks. The sandcastle is exposed to different environmental factors, such as wind and water, which represent weathering and erosion, respectively. As the waves crash onto the sandcastle, the water breaks down the sand particles and carries them away, which is similar to how erosion works in nature.
As the waves recede, they deposit the sand particles on a new location, creating a new surface. This is an example of deposition, which can be observed in nature when sediment is deposited by water, wind, or glaciers.
The sandcastle also demonstrates how the forces of weathering, erosion, and deposition can change the shape of the Earth's surface over time. This process is known as geomorphology, and it involves the gradual transformation of the Earth's surface through natural processes.
Overall, the sandcastle in the video provides a simplified model of the complex processes of weathering, erosion, and deposition that shape the Earth's surface over time.
The classification system developed by Linnaeus in the early 1700s divided living organisms into plant and animal kingdoms. Today, that has been expanded into five kingdoms. Which of the following inventions was most responsible for creating the need for the additional three kingdoms and why?
The internet allowed scientists to easily discuss differences between organisms.
Genetic engineering created new species, which then needed new kingdoms.
Fossil fuel-based transportation made it easier to explore and discover new species.
Microscopes made it possible to learn more about single-celled organisms.
The invention of microscopes made it possible to learn more about single-celled organisms, which led to the need for additional kingdoms beyond the traditional plant and animal kingdoms. As microscopes improved, scientists were able to see the complexity and diversity of single-celled organisms, which they realized could not be adequately classified as either plants or animals. This led to the creation of the kingdom Protista, which includes a wide range of unicellular eukaryotic organisms such as algae, protozoa, and slime molds. The development of other kingdoms, such as Fungi and Monera, followed as scientists continued to study and learn about different types of organisms. Therefore, the invention of microscopes was most responsible for creating the need for the additional three kingdoms.
which path will a carbon atom most likely travel from co2 in the atmosphere to glucose in the cell of a secondary consumer? air > bacteria > plant > secondary consumer air > primary consumer > secondary consumer air > plant > primary consumer > secondary c
A carbon atom will most likely take the following path from [tex]CO_{2}[/tex] in the atmosphere to glucose in the cell of a secondary consumer: air > plant > primary consumer > secondary consumer.
[tex]CO_{2}[/tex] from the atmosphere is taken up by plants during photosynthesis and converted into glucose, which is then consumed by primary consumers and then secondary consumers.
The most likely path for a carbon atom from [tex]CO_{2}[/tex] in the atmosphere to glucose in the cell of a secondary consumer is:
air > plant > primary consumer > secondary consumer
This is because plants are primary producers that convert [tex]CO_{2}[/tex] from the atmosphere into organic compounds, such as glucose, through the process of photosynthesis. Primary consumers, such as herbivores, then eat the plants and obtain the organic compounds, including glucose. Secondary consumers, such as carnivores, then eat the primary consumers and obtain the organic compounds, including the glucose that was originally produced by the plants.
While bacteria can also play a role in the cycling of carbon in ecosystems, they are not always involved in the transfer of carbon from [tex]CO_{2}[/tex] in the atmosphere to glucose in the cell of a secondary consumer. Therefore, the first option (air > bacteria > plant > secondary consumer) is less likely. The second option (air > primary consumer > secondary consumer) skips the plant stage, which is necessary for the initial conversion of [tex]CO_{2}[/tex] into organic compounds. Therefore, the third option (air > plant > primary consumer > secondary consumer) is the most likely path.
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What does a decrease in salmon population due to an increase in river temperature indicate?
A decrease in salmon population due to an increase in river temperature likely indicates a change in the environment, such as climate change.
What is population?The term "population" is frequently used to describe the total number of people living in a particular location. Governments undertake a census to estimate the number of residents in a certain area.
A collection of creatures of the same species that coexist and breed in the same location at the same time (e.g., human population, the population of apple trees, total population of deer in a forest). It is a portion of a species' total population that lives in a particular region of the globe.
Warmer temperatures can lead to decreased oxygen levels in the water, which can be harmful to fish, or other changes in the river habitat that make it difficult for salmon to survive.
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Explain the difference between oxidation and digestion.
when muscles contract against a heavy load, what happens to the length of time it takes for a cross bridge cycle to occur
When muscles contract against a heavy load, the length of time it takes for a cross-bridge cycle to occur increases.
A cross-bridge cycle is a series of chemical reactions that occurs during muscle contraction, resulting in the shortening of the sarcomere. The contraction process begins with an action potential that travels down a motor neuron and into a muscle fiber.
Calcium ions are then released from the sarcoplasmic reticulum, which causes the myosin head to attach to the actin filament. This attachment creates a cross-bridge, and the myosin head changes shape, pulling the actin filament along with it.
The myosin head then releases from the actin filament and repeats the process if enough ATP and calcium are present. During muscle contraction against a heavy load, the amount of force required to move the load increases.
This requires more cross-bridge cycles to occur, which in turn lengthens the time it takes for each cycle to complete.
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Study the two statements labelled Assertion (A) and Reason (R) and choose the correct answer.
Assertion (A): Increasing pollution affects animals that survive on plants.
Reason (R): Increasing pollution causes early and excessive shedding of leaves.
a) A is true but R is false.
b) A is true and R is the correct explanation of A.
c) Both A and R are true.
d) A is true but R is not the correct explanation of A.
Damage to foliage can emerge quickly as ulcerations (dead tissue) or it can take longer to occur and manifest as a wilting or bronzing of the leaf.
The correct answer is :A.
Which kind of pollution prevents the stomata on leaves from opening?Localized dust pollution is a problem around highways, quarries, cement plants, and other industrial regions. Dust on leaves inhibits stomata and reduces their resistance to CO2, interfering with photosystem II while also blocking sunlight.
What consequences does air pollution have?Heart disease, cancer, and respiratory conditions like emphysema are some of the long-term health repercussions of air pollution. Moreover, long-term exposure to air pollution can harm a person's neurons, brain, lungs, spleen, and other organs. Several scientists think that birth abnormalities are caused by air pollution.
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The transport of glucose into the cell occurs by facilitated diffusion. Once glucose enters the cellit is rapidly converted into another molecule such as glucose-6-phosphate or glycogen. Discuss what effect does this converstion have on the cell's ability to acquire more glucose via facilitated transport
The conversion of glucose into glucose-6-phosphate or glycogen has a significant effect on the cell's ability to acquire more glucose via facilitated transport.
Facilitated diffusion is a passive process, which means it does not require energy to transport molecules across the cell membrane. However, facilitated diffusion relies on the availability of carrier proteins on the cell membrane that transport specific molecules, such as glucose, into the cell. These carrier proteins become saturated with glucose molecules at high glucose concentrations, limiting the rate at which glucose can enter the cell.
When glucose enters the cell and is converted into glucose-6-phosphate or glycogen, it reduces the concentration of free glucose inside the cell. This reduction in the concentration of free glucose increases the concentration gradient of glucose across the cell membrane, which allows for more glucose molecules to be transported into the cell via facilitated diffusion. This is known as the glucose concentration gradient effect, and it allows the cell to continue acquiring glucose even when the concentration of glucose outside the cell is low.
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Can y’all help me with number one please……
7. A. The possible genotypes and phenotype of offsprings produced would be : BB=blue,Bb= blue and bb= green.
B. The chances of a child having light blue skin would be = 75%.
C. The chances of a child with light green skin would be = 25%.
8. A. The possible genotypes and phenotypes for Mr. Krabbs children would be TT= tall eyes, Tt = tall eyes.
B. Yes, the hospital has made a mistake as it is not possible for children to have small eyes(tt).
What is a genotype?A genotype refers to the genetic makeup of an organism, which includes the particular combination of alleles (variant forms of genes) that an organism inherits from its parents. Genotype determines the traits and characteristics of an organism, such as its physical appearance, behavior, and susceptibility to certain diseases. The alleles that an organism inherits can be either dominant or recessive, with dominant alleles typically exerting a stronger influence on the phenotype (physical appearance) of the organism than recessive alleles. The genotype of an organism can be represented using letters to indicate the alleles present at a particular gene locus. For example, the genotype of an individual with two copies of the dominant allele for a gene might be represented as "AA," while an individual with one copy of each allele (one dominant and one recessive) might be represented as "Aa."
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amino acids that are far apart in the amino acid sequence of an enzyme can be essential for the enzyme's catalytic activity. what does this suggest about the enzyme's active site? (select all that apply.) the enzyme's active site may be buried deep inside the enzyme's interior. this result suggests that the active site is made up of amino acid residues from different portions of primary sequence. the active site employs chemical species besides the side groups of amino acids. the amino acids are located at parts of the enzyme essential for its catalytic activity, such as at the active site or at sites controlling the enzyme's structure. the enzyme's active site may be located on the enzyme's surface.
The following options are suggested based on the given information:
The enzyme's active site may be made up of amino acid residues from different portions of the primary sequence.The amino acids are located at parts of the enzyme essential for its catalytic activity, such as at the active site or at sites controlling the enzyme's structure.The active site of the enzyme is likely to be composed of amino acid residues from different parts of the enzyme's primary sequence, rather than being confined to a specific region.Enzymes are protein catalysts that are commonly used in biochemistry. An enzyme's active site is a region of the protein that binds to the substrate and catalyzes the chemical reaction. Enzymes are generally made up of amino acids, which are strung together to make a long chain. Proteins have a primary structure, which is the sequence of amino acids in the chain.
The amino acids that are far apart in the amino acid sequence of an enzyme can be essential for the enzyme's catalytic activity. This result suggests that the active site may be made up of amino acid residues from different portions of the primary sequence. The active site of the enzyme is likely to be composed of amino acid residues from different parts of the enzyme's primary sequence, rather than being confined to a specific region. Therefore, these amino acids are located in parts of the enzyme that are essential for catalysis, such as the active site or structural control sites.
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What are the processes water moves through, in order, as it moves from the surface of a lake to a cloud in the sky?
A) evaporation then condensation
B) condensation then evaporation
C) precipitation then condensation
D) condensation then precipitation
The processes that water moves through, in order, as it moves from the surface of a lake to a cloud in the sky are evaporation then condensation. Here option A is the correct answer.
Evaporation is the process by which water changes from its liquid state to its gaseous state, and it occurs when water is heated or when air passes over the surface of the water. As water evaporates from the surface of the lake, it forms water vapor, which rises into the atmosphere.
Condensation is the process by which water vapor changes from its gaseous state to its liquid state, and it occurs when the air containing the water vapor cools down. As the water vapor rises into the atmosphere, it cools down and condenses into tiny water droplets, forming a cloud.
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One of each pair of chromosomes comes from each
Answer:
One of each pair of chromosomes comes from each parent.
Explanation:
Chromosomes are any of several threadlike bodies, consisting of chromatin, that carry the genes in a linear order: the human species has 23 pairs, designated 1 to 22 in order of decreasing size and X and Y for the female and male sex chromosomes respectively.
In a diploid organism (like humans) a chromosome pair is 2 chromosomes. Although we say there are two “copies” of a chromosome, they are non-identical. Each comes from a different parent (father and mother.) These come from the gametes (which are haploid, having half the number of chromosomes). Those chromosomes are not identical to the parents, but consist of a blending of the grandparent's genetic material.
A certain nuclear power plant is decommissioned. Several years later, the large building in which the plant was housed is completely empty. The people who worked to decommission the plant experienced some problems with nausea and anemia as a result of their work, but there have been no lasting effects. Which decommissioning process did this plant most likely undergo?
I. DECON
II. SAFSTOR
III. ENTOMB
A. I only
B. II only
C. III only
D. I and II only
E. II and III only
The decommissioning process the nuclear power plant will most likely to undergo is SAFSTOR which is given by option B.
The SAFSTOR technique of nuclear decommissioning entails "placing and maintaining the facility in a condition that permits the facility to be securely stored and later decontaminated (delayed decontamination) to levels that permit release for unrestricted use." It is overseen by the United States Nuclear Regulatory Commission.
During SAFSTOR, the de-fueled plant is monitored before it is completely decontaminated and dismantled to the point where nuclear licence is no longer necessary. Decommissioning must be completed within 60 years following the plant's shutdown.
Some of the radioactive pollutants from the reactor and power plant will decay during the storage time, reducing the amount of radioactive material to be removed during the final decontamination phase.
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What molecules are necessary for endocytosis to occur?
Endocytosis is the process by which molecules are actively transported into the cell by enveloping them in its membrane. All cells use endocytosis and exocytosis to move molecules that cannot travel through the membrane passively. Exocytosis, on the other hand, forces substances out of the cell.
Endocytosis is classified into four kinds or pathways: caveolae, macropinocytosis, receptor-mediated endocytosis, and phagocytosis. Each route has a unique method for getting encapsulated molecules in. Caveolae are non-clathrin covered branches that develop and are found on the plasma membrane. They are made up of caveolin, an integral membrane protein. Caveolin activates, shapes, and maintains the creation of "caves" or caveolae on the cell membrane. They function as "collection" pits, gathering particular chemicals for cell communication.
They function as "collection" holes for particular molecules involved in cell communication and metabolic processes. Endocytosis is used for receptor signaling, nutrient absorption, membrane modification, pathogen entrance, neurotransmission, and cell signaling response modulation. Endocytosis has been discovered to assist in cell migration in developing organs. Toxins, pathogens, and foreign debris have also been discovered to use the various endocytic routes to obtain entrance into the cell.
Clathrin - Proteins with three "legs" that create a cage or coat around membrane vesicles for movement and are required for vesicle structure and formation.
Exocytosis is the mechanism by which substances are transported out of the cell.
Phagosomes are vesicles that develop around molecules during the phagocytosis process.
true or false mutations sometimes result in a non -adaptive trait?
true mutations sometimes result in a non -adaptive trait
How can a mutation give rise to a new trait?Genetic variations can be caused by gene variants (also known as mutations) or by a natural process in which genetic information is reorganized when a cell prepares to divide (known as genetic recombination). Different phenotypes can be introduced into an organism via genetic changes that modify gene activity or protein function.
Certain mutations, known as silent mutations, do not result in changes to the amino acid sequence of the encoded protein. Some mutations produce erroneous protein products. Mutations can add new alleles into an organism population, increasing genetic variety.
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Apply the five concepts of Darwin's theory of natural selection to the evolution of the horse?
Answer:
Darwin's theory of natural selection explains how species evolve over time in response to changes in their environment. The evolution of the horse provides a good example of how these concepts work. Here are the five concepts of natural selection and how they apply to the evolution of the horse:
Variation: Natural variation exists within populations of horses, with some horses being taller, smaller, faster, or stronger than others.
Inheritance: These variations are passed on from one generation to the next through genetic inheritance. Horses with desirable traits are more likely to pass those traits on to their offspring.
Differential Survival: In any population, there is a struggle for survival, with some individuals being better adapted to their environment than others. For example, horses that can run faster or digest tougher grasses are more likely to survive and reproduce.
Reproduction: The horses that survive and reproduce pass on their advantageous traits to their offspring, increasing the frequency of those traits in the population over time.
Time: Over many generations, natural selection can result in significant changes in the population, leading to the evolution of new species. In the case of the horse, the gradual changes in hoof shape, tooth structure, and size over millions of years have led to the development of modern horses, zebras, and donkeys.
In summary, the five concepts of natural selection help explain how the evolution of the horse occurred over millions of years, resulting in the development of the modern equine species we see today.
A positive (+) strand of RNA
a.) cannot function directly as mRNA.
b.) must be converted back to DNA for gene expression.
c.) must be double-stranded.
d.) makes a minus (-) strand of RNA, which can then act as mRNA.
e.) can directly act as mRNA.
A positive strand of RNA can directly act as mRNA. Option E.
Strand of RNAA positive strand of RNA has the same base sequence as mRNA, which means it can directly act as mRNA without the need for any further processing or conversion.
The ribosome can recognize and translate the RNA molecule into a protein without any additional steps. This is in contrast to negative (-) strand RNA, which must first be converted to a positive strand before it can be used as mRNA.
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If heart rate increases 4-fold, and stroke volume increases 1.5-fold, how many fold does
cardiac output increase?*Type a number to one decimal place*
Cardiac output is equal to the product of heart rate and stroke volume. Therefore, in this case, cardiac output would increase 6-fold (4 x 1.5).
What is cardiac?Cardiac is a term used to refer to anything related to the heart. Specifically, it is used to describe the structure, function, and diseases of the heart. Cardiac diseases include coronary artery disease, heart failure, arrhythmia, and congenital heart defects. Cardiac structure and function are determined by the anatomy of the heart, which includes the four chambers, valves, and complex network of blood vessels. The electrical system of the heart controls the heartbeat and is responsible for the coordination of the contraction and relaxation of the heart muscle. Cardiac care is a type of medical care that focuses on the diagnosis,
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In domestic swine there is a dominant allele that produces a white belt around the body. Suppose a heterozygous belted pig and solid pig mate. What is the probability they will produce a solid pig? (7 pts) 1. What is the dominant trait? What is the recessive trait? Dom: Rec: 2. What letter is assigned to the dominant and recessive trait? Dom: Rec: 3. In order to be belted, what 2 GENOTYPES could the offspring have? 4. In order to be solid, what GENOTYPE must the offspring have? 5. What are the parent genotypes you are crossing? 6. What is the ratio of probability of getting a solid pig from this cross?
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2.According to Chromosomal convention, a gene's dominant allele is represented by an upper case, whereas its gene mutation is depicted by a small letter.
Is the symbol H genetic or dominant?Alleles are represented by an upper case (H) for dominant alleles and a tiny (lower case) form (h) for recessive genes. whereas a people of diverse backgrounds (also known as a hybrid) is one that possesses two distinct forms.
Is YY homozygotes or dominant?The dominant autosomal genotype as yy (2 y alleles). White seeds are the morphology of this genotype. Each person produces different types of gametes depend on their genotypes. Hence, only spermatozoa with Y alleles can also be created by a YY genotype.
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which kind of fossilization process leaves behind a three-dimensional shape of an organism made out of minerals?
Answer:
Permineralization
Or
The kind of fossilization process that leaves behind a three-dimensional shape is Cast and Molds, & Petrified fossils.
How many micrometers is a pith cell?
Answer:180 microns
Explanation:
The pith has a uniform parenchyma, has a diameter of 3.700 mm, and its cells have a mean diameter
Renewable resources are those that can be synthesized by humans.truefalse
Answer:
False
Explanation:
Which organism provides evidence that matter and energy can be cycled through an ecosystem without sunlight?(1 point)
Answer:
A lanternfish on the alantic ocean.
Explanation:
I don't know what ur answer chocies are but i had this question a long time ago.
2. Consider an organism that has two pairs of homologous chromosomes in each of its diploid (2n) somatic cells. How many chromosomes would the organism’s cell have during each of the following stages?
The number of chromosomes in an organism's cell varies depending on the stage of the cell cycle. However, in an organism with two pairs of homologous chromosomes in each of its diploid (2n) somatic cells.
During the different stages of the cell cycle, the number of chromosomes in the cell of an organism with two pairs of homologous chromosomes in each of its diploid (2n) somatic cells can be determined as follows:
Interphase: During interphase, the cell grows and prepares for cell division. At this stage, the cell has 2n = 4 chromosomes, as each homologous chromosome pair is replicated during the S-phase of interphase.
Prophase: During prophase, the chromatin condenses into visible chromosomes, the nuclear envelope breaks down, and the spindle fibers begin to form. At this stage, the cell has 2n = 4 chromosomes.
Metaphase: During metaphase, the chromosomes align at the equator of the cell and are attached to the spindle fibers. At this stage, the cell has 2n = 4 chromosomes.
Anaphase: During anaphase, the spindle fibers pull the chromosomes apart, and the sister chromatids move towards opposite poles of the cell. At this stage, the cell has 4n = 8 chromosomes, as the homologous chromosomes have separated into individual sister chromatids.
Telophase: During telophase, the nuclear envelope reforms around the separated chromatids, the spindle fibers disassemble, and the chromatin begins to decondense. At this stage, the cell has 4n = 8 chromosomes.
Cytokinesis: During cytokinesis, the cell divides into two daughter cells. At this stage, each daughter cell has 2n = 4 chromosomes, as at the beginning of the cycle.
The total number of chromosomes during the cell cycle ranges from 2n = 4 to 4n = 8.
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Bacteriophages are a type of virus that infects bacteria. Scientists have started to use these bacteriophages to move genetic information from one bacterium to another. Which Characteristic of a virus is an advantage and why?
One of the characteristics of a virus that is an advantage for scientists using bacteriophages to move genetic information from one bacterium to another is the ability of viruses to specifically target host cells.
Viruses have unique structures on their surfaces that allow them to recognize and attach to specific host cells, such as bacteriophages attaching to specific bacteria. This specificity means that scientists can use a particular virus to deliver genetic information to only the target bacterial species, without affecting other non-targeted species.
Another advantage of using bacteriophages is their ability to transfer DNA between bacteria by a process known as transduction. This process allows for horizontal gene transfer, which can result in the acquisition of new traits by the recipient bacterium, such as antibiotic resistance.
Bacteriophages can also be used as a potential alternative to antibiotics to treat bacterial infections, as they have a specific mechanism of action and do not affect beneficial bacteria in the same way that antibiotics do.
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which of the following statements about staphylococcal enterotoxin is false? group of answer choices it causes diarrhea. it is resistant to low ph. it acts as a superantigen. it causes vomiting. it is produced by staphylococcus aureus growing in the host's intestines.
The statement that is false about staphylococcal enterotoxin is that: it is produced by Staphylococcus aureus growing in the host's intestines. The correct option is E.
Staphylococcal enterotoxin is actually produced by Staphylococcus aureus growing outside the host's body, in foods or on surfaces. It is a powerful toxin that can cause severe food poisoning when ingested. The other statements are all true; it does cause diarrhea, it is resistant to low pH, it does act as a superantigen, and it can cause vomiting.
Staphylococcal enterotoxin is one of several toxins released by Staphylococcus aureus, and is responsible for food poisoning. It is a potent protein toxin that is resistant to low pH levels and heat, making it particularly dangerous. It is a superantigen, meaning it can bind to the surface of many cells and cause an overactive immune response.
The most common symptom of staphylococcal enterotoxin poisoning is vomiting, but it can also cause severe diarrhea, abdominal cramps, and fever. The best way to prevent staphylococcal enterotoxin poisoning is to ensure that food is handled and stored properly.
Foods should be cooked thoroughly, stored at the right temperature, and eaten soon after cooking. Cross-contamination between raw and cooked foods should be avoided, as well as the handling of raw meat and eggs. People should also practice proper hygiene, washing their hands before and after preparing food and avoiding contact with food when sick.
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What type of hemoglobin has the highest affinity for oxygen?
The type of hemoglobin that has the highest affinity for oxygen is fetal hemoglobin (HbF).
Fetal hemoglobin consists of two alpha and two gamma subunits, whereas adult hemoglobin (HbA) consists of two alpha and two beta subunits. The gamma subunits in fetal hemoglobin have a higher affinity for oxygen than the beta subunits in adult hemoglobin. This higher affinity allows fetal hemoglobin to more readily pick up oxygen from the mother's bloodstream through the placenta. After birth, the production of fetal hemoglobin declines and adult hemoglobin production increases.
However, some individuals may have genetic mutations that cause them to continue producing fetal hemoglobin, which can provide some protection against certain blood disorders, such as sickle cell anemia.
Fetal haemoglobin is the form of haemoglobin that has the greatest affinity for oxygen (HbF).
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Which of the following controls what enters or exits a cell?
· Cell wall
· Cell membrane
· Chloroplast
· Ribosomes
Answer:
Cell membrane
Explanation: I learned all about what a cell is made up of in school.
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matching!!
Answer: C for The first one
A for the 2nd
D for the 3rd One
B for last
Explanation:
Answer:
Solar Energy = A
Wind Energy = D
Hydropower = C
Utility - scale = B
Explanation:
In domestic swine there is a dominant allele that produces a white belt around the body. Suppose a heterozygous belted pig and solid pig mate. What is the probability they will produce a solid pig? (7 pts) 1. What is the dominant trait? What is the recessive trait? Dom: Rec: 2. What letter is assigned to the dominant and recessive trait? Dom: Rec: 3. In order to be belted, what 2 GENOTYPES could the offspring have? 4. In order to be solid, what GENOTYPE must the offspring have? 5. What are the parent genotypes you are crossing? 6. What is the ratio of probability of getting a solid pig from this cross?
1. Dominant trait: white belt around the body. Recessive trait: solid color without a white belt.
2. Dom: W (for white belt). Rec: w (for solid color).
3. Offspring could have the genotypes Ww or ww to be belted.
4. Offspring must have the genotype ww to be solid.
5. Heterozygous belted pig: Ww. Solid pig: ww.
6. The parent genotypes are Ww (bB) and ww (bb).
The Punnett square for this cross would be:
The probability of getting a solid pig with genotype ww from this cross is 1/2 or 50%. The ratio of probability is 1:1.
What does a phenotype refer too?
O Genetic combination of alleles
A karyotype
Physical trait
A person's geneotype
phenotype refers to a person's physical characteristics /traits.