The answer is 1.50*10^-12 m^2 measurements in a microscope that determine a certain bacterium covers an area of 1.50μm2
divide the area value by 1e+12
Once both measurements are converted into meter, multiply them together to get the measurement of the area in square meter.
What does the term bacteria mean?Any of a vast group of one-celled organisms that reproduce via fission or spore formation, and in certain circumstances cause illness. They are the most abundant lifeforms on Earth, and they may be found in all living organisms and all settings.
Bacteria may be found in all habitats on Earth, including soil, rock, seas, and even polar snow. Some creatures live in or on other species, such as plants and animals, including humans. Bacterial cells outnumber human cells in the human body by a factor of ten.
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Many spontaneous reactions occur very slowly. Why don't all spontaneous reactions occur instantly?
Many spontaneous reactions occur very slowly and all spontaneous reactions occur instantly because if the spontaneous reaction has a high activation energy that is rarely attained, the rate of the reaction may be low.
What is a Spontaneous reaction?This refers to the type of reaction which proceeds on its own and favors the formation of the products without an external energy being added to the system.
In a chemical reaction, the activation energy which is the minimum amount of energy that must be provided for a chemical reaction to occur varies according to different factors.
In a situation whereby the spontaneous reaction has a high activation energy, it becomes difficult for it to be attained and the reaction is slower while if the activation energy is low then then it is easier for it to be attained and the reaction is faster.
This is therefore the reason why all spontaneous reactions won't occur instantly.
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jamuar, s.s., and walsh, c.a. (2015). genomic variants and variations in malformations of cortical development. pediatr. clin. north am. 62, 571–585.
Differences in the sequence of DNA among individuals are named genetic variation. Genomic variation describes some of the differences among people, such as eye color and blood group, as well as whether a person has a higher or lower risk for acquiring particular diseases
What stand genomic variants?
Genomic variation refers to DNA sequence distinctions among individuals or populations. Some variants affect biological function (such as a mutation that generates a genetic disease), while others have no biological consequences
What is the difference between interpretations and mutations?
Mutation and variation are two concurrent events involved in the process of evolution. The main difference between mutation and interpretation is that mutation is an alteration in the nucleotide sequence of a gene whereas variation is any distinction between individuals of a particular species.
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What is the primary function of carbohydrates attached to the exterior of cell membranes?.
Answer:
So the primary function of those carbohydrates attached the exterior of the cell is going to be identification of the cell. That's the answer
Explanation:
hopes it help
Compared with ³¹P , the radioactive isotope ³²P has a. a different atomic number. b. one more proton. c. one more electron. d. one more neutron.
Compared with ³¹P , the radioactive isotope ³²P has one more neutron.
Radioactive isotopes is an unstable element form which breaks down into simpler form releasing the energy in the form of radiation to become more stable.
They usually have short life span and decay to stable form hence they are present only in small quantities.
Radioactive isotope of P-32 have 15 protons, and 17 neutrons while the common isotope of P-31 have 15 protons and 16 neutrons.
Radioactive P-32 have application in laboratory to label DNA and proteins to treat various diseases.
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The secondary, but not the primary, immune response is based on which component?:
The secondary, but not the primary, an immune response is based on memory.
An immune response can be described as the way a body fights when an antigen or foreign particle is detected.
A primary response is generated when a particular antigen invades a body for the very first time. As a result of this antigen, effector lymphocytes and memory cells are made.
The memory cells remember the antigens so that a quicker response can be generated when the particular antigen invades the body again. Hence, the secondary response is based on memory. Due to this memory, a secondary response occurs at a much faster rate, and also the immune cells are able to fight strongly.
Although a part of your question is missing, you might be referring to this question:
The secondary, but not the primary, immune response is based on which component:
A Memory
B The bonus effect of multivalency
C Complement activation
D Mast cell degranulation
E Clonal selection
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How does mass relate to inertia
Answer:
Inertia is directly proportional
Explanation:
Inertia increases as the mass of an object increases. Inertia is directly proportional to the mass, that is, inertia increases with the increase in the mass and decreases with the decrease in the mass. The SI unit of the mass is kg and the SI unit of the inertia is also kg.
Answer:
Objects with more mass have more inertia. Consequently, a very large rock will be harder to move than a small pebble. The same way, once the large rock starts to move, it will be harder to stop than the small pebble. MOMENTUM is a measure of inertia of motion. Then momentum relies on mass and velocity. We define momentum as the product of mass and velocity: m * v.
Explanation:
Identify the bonds and interactions that help maintain a protein's 3-dimensional shape or conformation.
The bonds that will help maintain the three-dimensional structure of a protein will be: disulfide bridges, hydrogen bonds, van der waal forces, ionic interactions and hydrophobic interactions.
What is the tertiary structure of a protein?As proteins are formed and folded, they will acquire different levels of folding which will help maintain a structure that will help them fulfill their cellular roles.
The levels of structure that are formed are built from the previous one, proteins can have a primary structure in which it has a linear succession of amino acids, a secondary structure in which it will already begin to have certain turns and folds adopting a configuration in spiral last and in the tertiary structure thanks to the strong bonds that are formed by the disulfide bonds together with the weak bonds of the hydrogen bonds between the others that are formed, a globular structure will be acquired.
Therefore, we can confirm that the bonds that will help maintain the three-dimensional structure of a protein will be: disulfide bridges, hydrogen bonds, van der waal forces, ionic interactions and hydrophobic interactions.
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Our brain receives more action potentials when our eyes are exposed to light even though our photoreceptors release more neurotransmitter in the dark. Propose an explanation.
Rod and cone cells use glutamate as their signal, and they release less glutamate when exposed to light. But as glutamate production declines, other retinal cells speed up the transmission of action potentials to the brain, resulting in more action potentials reaching the brain in light than in darkness.
When exposed to light, do photoreceptors release more neurotransmitters?Increases in light intensity cause photoreceptors to release less glutamate, which lowers the membrane's potential and results in hyperpolarization, while decreases in light intensity cause photoreceptors to release more glutamate, which raises the membrane's potential and results in membrane depolarization.What neurotransmitter are released by rods and cones?Rods and cones produce glutamate as a neurotransmitter. A cation channel is gated by kainate-type glutamate receptors, which are present in some bipolar cells. This receptor responds to glutamate by opening the cation channel.To learn more about neurotransmitters visit:
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Yeast cells, plant cells, and mammal cells all share many similarities in cell signaling. this provides evidence that:_________
Yeast cells, plant cells, and mammal cells all share many similarities in cell signaling. This provides evidence that signal transduction pathways appeared in cells before the evolution of multicellular organisms.
In living organisms, cell signaling or signal transduction takes place through which a physical or chemical signal is transferred across cells.
various research and scientific studies have shown that signal transduction has much resemblance both in multicellular and unicellular organisms.
This phenomenon indicates that this process of cell signaling was present in multicellular organisms since early times.
Gradually, it evolved into unicellular organisms.
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What biological process allows humans, mammals, and birds to maintain high body temperatures?.
Answer:
Cellular Respiration
Explanation:
Cellular Respiration allows animals to generate energy by burning off fat. Cellular Respiration generates heat so that fat can be burned off.
When using gel electrophoresis in dna fingerprinting, __________.
Gel electrophoresis is used in DNA fingerprinting to distinguish between genetic material samples. Enzymes are used to break down the human DNA molecules into a collection of smaller, more manageable bits at specific characteristic places.
What is gel electrophoresis in DNA fingerprinting?A method called electrophoresis allows for the separation and examination of charged molecules in an electric field.
Since DNA is negatively charged, it will move toward the positively charged electrode when an electric current is supplied to the gel.
The DNA fragments are organized in size order because shorter DNA strands travel through the gel more quickly than longer ones.
Therefore, to differentiate different genetic sample gel electrophoresis in DNA fingerprinting used
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the bev doolittle print of ""the forest has eyes"" exemplifies the way affects perceptual organization.
The Bev Doolittle print "The Forest Has Eyes" that exemplifies the way Meaningfulness affects of perceptual organization.
Perceptual organization basically refers to the ability to impose the organization on the sensory data, so as to group the sensory primitives arising from the common underlying that cause. The existence of this sort of the organization in the human perception, including the vision, that was emphasized by the Gestalt psychologists. For example, draw the circle in a paper and do not close it. When you show that this figure to someone else, the first thing that will see in a circle, and it is later when the the incompleteness of the circle will be register in his mind. This is because his mind has been already perceived the figure as of the circle
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The most noticeable difference between human brains and other mammalian brains is the size of the.
The most noticeable difference between human brains and other mammalian brains is the size of the association areas.
The study of brain images has shown that the human brain is composed of millions of fibers that connect the brain with other human-specialized functions such as reasoning, cognition, thinking, and language.
Compared with mammals of the same size, the human brain's cortex is large and wrinkly.
However, the major part that differentiates our brain from other mammals is the cerebral cortex.
It is made up of the occipital, temporal lobe, parietal and frontal parts.
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A student drew the following flowchart to show the movement of nutrients.
Soil Roots→Plants → Animals
Which process is likely to be occurring in the plant's roots?
A. Photosynthesis
B. Water transpiration
C. Burning of fossil fuels
OD. Nitrogen fixation
Answer:
B
Explanation:
B is the true line i think
Based on the given flowchart (Soil Roots→Plants → Animals), the process likely to be occurring in the plant's roots is: Nitrogen fixation. The correct option is D.
What is water transpiration?The evaporation of water from plants is known as transpiration. As much as 99.5% of the water received by a plant's roots is surplus water that transpires out of the plant rather than being used for growth or metabolism.
Additionally, the movement of water and nutrients from the roots to the shoots is accelerated by transpiration. As a result, transpiration mechanisms have an impact on the global carbon and hydrological cycles as well as the yield and survival of agricultural species.
This is because nitrogen fixation is the process where atmospheric nitrogen is converted into a form that plants can absorb through their roots and use as nutrients.
Therefore, the correct option is D.
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Males afflicted with Kartagener's syndrome are sterile because of immotile sperm, and they tend to suffer from lung infections. This disorder has a genetic basis. Suggest what the underlying defect might be.
Males afflicted with Kartagener's syndrome are sterile because of immotile sperm, and they tend to suffer from lung infections. This disorder has a genetic basis. underlying defect might be defects in the microtubule-based movement of cilia and flagella. sperm can't move because of malfunctioning or nonexistent flagella, and the airways compromised because cilia that line the trachea malfunction or don't exist, and so mucus cannot be cleared from the lungs.
Kartagener's syndrome is a rare, autosomal recessive genetic ciliary disorder comprising the triad of situs inversus, chronic sinusitis, and bronchiectasis. The basic problem lies in the defective movement of cilia, leading to recurrent chest infections, ear/nose/throat symptoms, and infertility.Kartagener syndrome, by definition, is a triad of situs inversus, bronchiectasis and chronic sinusitis, and is a subdivision of PCD. It can cause abnormal sperm motility and infertility in men, and can also cause infertility in women because of impaired cilia motility in fallopian tubesto know more about cilia and flagella click here
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Predict the number of signals expected in the proton spin decoupled 13c spectrum of p-dibromobenzene (1,4-dibromobenzene).
2 number of signals is expected in the proton spin decoupled 13C spectrum of p-dibromobenzene (1,4-dibromobenzene).
It is well known that the proton spin decoupled 13C spectrum of p-dibromobenzene (1,4-dibromobenzene) should show two signals. However, it has been recently reported that only one signal is observed in this spectrum.
There are two possible explanations for this discrepancy. Firstly, it is possible that the p-dibromobenzene molecule is not actually proton spin decoupled. In this case, the spectrum would only show one signal because the proton and carbon spins would be coupled together.
Alternatively, it is possible that the molecule is proton spin decoupled, but that the 13C signal is very weak and is only detectable when the molecule is in a very high energy state. This would explain why only one signal is observed in the spectrum.
Further experiments are required to determine which of these explanations is correct. In the meantime, it is important to be aware that the proton spin decoupled 13C spectrum of p-dibromobenzene may not show the expected two signals.
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When dna fragments are separated using gel electrophoresis and transferred to a blot it is called a:____.
When DNA fragments are separated using gel electrophoresis and transferred to a blot it is called a southern blot.
In the field of molecular biology, we can define southern blot as a method through which a particular DNA fragment is detected from amongst a DNA sample.
The method of southern blotting has important uses such as the detection of diseases, for finding out a DNA segment in a DNA library.
In the method of southern blotting, the DNA sample is first cut by using restriction enzymes. Then the sample is run by the method of gel electrophoresis due to which the smaller segments move at a faster speed than a larger one along a matrix. The DNA segments are then transferred to a blot. The DNA is marked by a tag, referred to as a probe, using radioactive, fluorescent or any other technique. This tag will allow the detecting of our desired DNA segment when a complementary segment is run referred.
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if you were to take slices of potato and place them in distilled water, what would happen to the cells?
The potato slice cells would swell due to osmosis.
Osmosis is the process by which a solvent moves between two solutions with various solute concentrations over a semipermeable membrane. The solvent is transferred from the solution with the lower solute concentration to the solution with the greater solute concentration during osmosis. The smallest pressure that, when given to the solution phase, prevents the solvent from permeating a semipermeable membrane into the solution is known as osmotic pressure.
Osmosis is primarily driven by the reduction in Gibbs free energy that occurs along with the dilution of the solution. Moving a solvent from a greater solute concentration to a lower solute concentration is the process of reverse osmosis. When hydrostatic pressure exceeds osmotic pressure, this occurs.
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the fibrin clot begins to form when fibrinogen is cleaved resulting in a fibrin monomer, fibrinopeptide a, and fibrinopeptide b fragments. the fibrin monmers sponaneously polymerize due to hydrogen bonding, and then are covalently linked into fibrin polymers by which factor?
The factor involved in the process is Factor XIII.
What is clotting of blood?Blood is said to clot when a solid mass appears over the point where the skin has been injured. The appearance of a clot would stop the bleeding over the point that has been affected by the injury.
There are many biological factors that contribute to the clotting of blood. The fibrin clot begins to form when fibrinogen is cleaved resulting in a fibrin monomer, fibrinopeptide a, and fibrinopeptide b fragments. The fibrin monomers spontaneously polymerize due to hydrogen bonding, and then are covalently linked into fibrin polymers by Factor XIII.
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A medical student is trying to visualize how the structures that make up the
valves inside the heart are positioned. Which model would be the most useful
in this situation?
A. A computer model showing the path of a red blood cell through
the body
B. A physical model of the internal parts of the heart
C. A mathematical model showing how blood pressure changes as
the heart beats
D. A conceptual model comparing the heart to a pump
In a woodland ecosystem, the number of species of microorganisms in the soil that do not harm plants increases. How does this rise in biodiversity affect the sustainability of the ecosystem?.
In a woodland ecosystem, the number of species of microorganisms in the soil that do not harm plants increases. The rise in biodiversity makes the ecosystem more sustainable.
Biodiversity can be described as the different kinds of organisms that are present in an area. The greater the biodiversity, the more sustainable an ecosystem will be.
The greater the diversity will be among the organisms of a species, the more will be the chances of the species to adapt to changing conditions.
The greater number of microorganisms in the soil that does not harm the plants will be beneficial. The biodiversity among them will cause the number of microorganisms to remain stable even when conditions become unfavorable. Greater diversity means a greater ability for species to cope with changes in the environment. Hence, a rise in biodiversity of the microorganisms in the soil will make the ecosystem more sustainable.
Although a part of your question is missing, you might be referring to this question:
In a woodland ecosystem, the number of species of microorganisms in the soil that do not harm plants increases. How does this rise in biodiversity affect the sustainability of the ecosystem?
The rise in biodiversity makes the ecosystem less sustainable.
The rise in biodiversity makes the ecosystem more sustainable.
The rise in biodiversity does not change the sustainability of the ecosystem.
The rise in biodiversity makes the ecosystem only temporarily less sustainable.
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Which of the following is not properly paired? a. seminiferous tubule-cervix b. vas deferens-oviduct c. testosterone-estradiol d. scrotum-labia majora
The answer is the seminiferous tubule cervix.
What is a seminiferous tubule?
The seminiferous tubules offer a special setting for the development of germ cells. Germinal components and supporting cells are included in the structures engaged in this process. The Sertoli cells and the basement membrane's peritubular cells are examples of supporting cells. The germinal elements are made up of a population of epithelial cells, including spermatogonia, which proliferate quickly, spermatocytes going through meiosis, and metamorphosing spermatids. The "blood-testis barrier" is another habitat that is produced by the seminiferous tubule. Although the maturing germ cells in the testis are potentially antigenic and identifiable as foreign, no immune reactivity is often seen there. This makes the testis distinctive.
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All of the following cellular activities require energy, except __________. active transport facilitated transport cell division movement protein synthesis
All of the following cellular activities require energy, except facilitated transport .
What cell transport do not needs energy?Passive transport does not require any energy from the cell. Examples include oxygen and carbon dioxide distribution, water osmosis, and facilitated diffusion. Passive modes of transportation
What is needed for all cellular activity?Every second, an active cell requires millions of molecules of ATP to carry out its functions. Enclosures produce the ATP they require by using oxygen and glucose in a process known as cellular respiration. A series of enzymatic reactions breaks down glucose. Improved cellular activity improves health and performance because it is the sum of all protein functions. Indeed, increased cellular activity improves energy production, oxygen utilization, cell metabolism, response to free radical damage, and many other protein functions.To learn more about cellular respiration, refer
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Systems that think like humans are called systems that support humans without understanding human reasoning are called?
Artificial intelligence (AI) is the replication of human intellect in robots that are trained to think like people and copy their activities.
What three forms of AI are there?Artificial intelligence can be classified as Artificial Narrow Intelligence (ANI), which has a limited set of capabilities, Artificial General Intelligence (AGI), which has capabilities similar to those of humans, and Artificial Super Intelligence (ASI), which has capabilities that are greater than those of humans. Narrow AI or weak AI are other names for artificially limited intelligence, or ANI.
A computer software known as an expert system use artificial intelligence (AI) techniques to mimic the decision-making and actions of a person or group of people who have knowledge and experience in a certain subject. Expert systems are often designed to support human experts rather than to replace them.
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The unicellular glands that directly and specifically secrete mucus are also called ________ cells.
The unicellular glands that directly and specifically secrete mucus are also called goblet cells.
In order words, goblet cells are refers to unicellular glands which directly and specifically secrete mucus.
These goblet unicellular gland cell are of economic importance as they help in the production and maintenance of the protective mucus blanket by producing molecular glycoproteins called mucins.
Unicellular glandsThese are gland which functions only as a single gland and are characteristized by just single cells only.
So therefore, the unicellular glands that directly and specifically secrete mucus are also called goblet cells and are of great economic importance simply because they help in the production and maintenance of the protective mucus blanket by producing molecular glycoproteins called mucins.
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An Indy car travels around the track under the yellow flag at a constant speed of 150 mph. Describe the car's acceleration.
The jelly-like substance found within cells that provides the fluid medium necessary for biochemical reactions is called ________.
The jelly-like substance found within cells that provides the fluid medium necessary for biochemical reactions is called: cytoplasm
The cytoplasm is a fundamental part of the cell, it is a jelly-like liquid inside the cell that is located under the cell membrane covering the nucleus. The cytoplasm is composed of the cytosol, the cytoskeleton and organelles.
What is a cell?
A cell is the most basic and smallest form of life that exists in a living being, its parts are the membrane, the cytoplasm and the organelles including the nucleus.
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rearrange the list of structural hierarchy in the body in order of complexity, so that the least complex level is first and the most complex is last.
structural hierarchy in the body in order of complexity, so that the least complex level is first and the most complex is last
Atom, Cell, Tissue, Organ, Organ System, Organism
The human body's biological functions are preserved at several levels of structural organization. The following levels are included: chemical, cellular, tissue, organ, organ system, and organismal. Organizational hierarchy is built up from lower levels. Therefore, molecules combine to create molecules, molecules create cells, cells create tissues, tissues create organs, organs create organ systems, and organ systems create beings
structural hierarchy is very helpful in studying the characteristics of the organisms.
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How is a mailing address analogous to biology's hierarchical taxonomic system?
Mailing address analogous to biology's hierarchical taxonomic system is written going from broader to narrower.
How is a mailing address analogous to biology's hierarchical taxonomic system?
Postal addresses are analogous to the hierarchical taxonomic system of biology in that each unit has a unique identifier. In postal addresses, the units are houses, and each of them belongs to a certain street in a certain suburb of a certain city. In taxonomy, the units are species and each of them belongs to a certain genus of a certain family of a certain order of a certain class. No two species have exactly the same taxonomic names, just as no two houses will have the same address.To learn more about mailing address analogous, refer to:
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Q: Use the equation for aerobic respiration to explain why the air that you exhale contains more carbon dioxide than the air that you inhale.
The equation:
glucose + oxygen = carbon dioxide + water
The exhaled air incorporates extra carbon dioxide due to the fact the carbon dioxide produced in the course of respiration is removed out of the frame because the exhaled air throughout the method of respiration.
Whilst we exhale, we breathe out less oxygen but greater carbon dioxide than we inhale. The carbon we breathe out as carbon dioxide comes from the carbon in the food we eat.
For that reason, inhalation is while we take in air containing oxygen. similarly, exhalation is whilst we give out air rich in carbon dioxide. they're the basic process of respiration. expanded muscle hobby manner multiplied use of oxygen, elevated production of glucose-forming ATP and, consequently, elevated ranges of carbon dioxide. Carbon dioxide diffuses from the cells into the blood.
Exhaled air which incorporates: greater carbon dioxide produced as a waste manufactured from energy manufacturing. less oxygen as it has been used in respiration.
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