Central vacuole structure in plant cells stores salts, sugars, and pigments, contains enzymes that recycle and degrade molecules, and expands to exert turgor pressure.
What is the central vacuole in a partition?A cellular organelle found in plant cells is called the central vacuole. The largest organelle in the cell is frequently this one. It serves as a container for waste and textiles and is covered by a membrane. Additionally, it serves to keep the right force within plant cells, which gives the growing plant support and structure.
What is the central vacuole and what is its position?
The central vacuole serves a variety of functions in plant cells, including storing salts, minerals, nutrients, proteins, and pigments, promoting plant development, and providing the plant with vital structural support.
In plant cells, the central vacuole structure stores salts, carbohydrates, and pigments. It also includes enzymes that break down and recycle molecules and expands to provide turgor pressure.
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to determine the tonicity of red blood cells, a blood sample was placed in an isotonic saline solution. what would one expect to see under the microscope if there was a higher solute concentration inside the red blood cells?
When a red blood cell is placed in an isotonic solution, there will be no net movement of the water. Both the concentration of the solute and the water are equal to both the intracellularly and the extracellularly; therefore, there will be no net movement of the water towards the solution or the cell.
The isotonic solution, Solutions that is contain the same concentration of the water and the solutes as the cell cytoplasm are called isotonic solutions. The Cells is placed in an isotonic solution that will neither shrink nor they swell since there is no net gain or the loss of water. the Isotonic solutions contain an electrolyte balance similar to the plasma in the bloodstream. When the isotonic solution is administered, the fluid of volume of the patient is also increased without a fluid shift. the Common examples of the isotonic solutions are about 0.9% normal saline and lactated ringers.
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6. Carie and Heather wanted to know if the size of a coin will affect the number of drops of
water it can hold. So they used a dropper to place water on a quarter, nickel, and penny.
IV:
DV:
Hypothesis:
PLEASE FILL IN THE BLANK ABOVE!!
The independent variable is the size of the coin. The number of water drops is the dependent variable. control is a coin with no water. the constant is the same dropper / same water.
The cause is the independent variable. Its value is unaffected by the other study variables. The effect is the dependent variable. Changes in the independent variable affect its value.
By presenting both variables in the statement below in a way that makes sense, you may quickly determine which variable in your experiment is the Independent Variable (IV) and which one is the Dependent Variable (DV). "The DV changes as a result of the IV. There is no chance that DV might alter IV in any way.
The variable that changes and on which the dependent variable depends is known as the independent variable. Consequently, the number of water drops the coin might hold depends on its size. The size of the coin is therefore the independent variable.
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changing a single amino acid in a protein consisting of 325 amino acids would . changing a single amino acid in a protein consisting of 325 amino acids would . alter the primary structure of the protein but not its tertiary structure or function cause the tertiary structure of the protein to unfold always alter the biological activity or function of the protein always alter the primary structure of the protein, sometimes alter the tertiary structure of the protein, and sometimes affect its biological activity
Always change the main structure of the protein, occasionally change the tertiary structure, and sometimes impact the biological function of the protein.
This is further explained below.
What are amino acids?Generally, Proteins are constructed from chains of smaller molecules called amino acids.
Proteins and amino acids are the fundamental components of living things.
Amino acids are what is left behind after proteins have been digested or broken down.
Amino acids are used by the human body to produce proteins, which in turn assist the body in breaking down food.
Amino acids are the fundamental components of proteins and play a key part in a variety of physiological processes.
They are essential for processes that are absolutely necessary, such as the formation of cells and the manufacture of hormones and neurotransmitters.
In conclusion, Always alter the primary structure of the protein, sometimes modify the tertiary structure, and sometimes have an effect on the protein's biological activity.
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How many males are taller than 175 cm and approximately what persentage of the total is that? Which graphs illustrate the answer to previous question?
Which of the following is true of innate behaviors? a. Their expression is only weakly influenced by genes. b. They occur with or without environmental stimuli. c. They are expressed in most individuals in a population. d. They occur in invertebrates and some vertebrates but not mammals.
c. They are expressed in most individuals in a population is true of innate behaviors
Do inherent behaviours have a genetic basis?Genes determine innate behaviours, which happen regardless of prior experience. The evolution of inherent behaviour is framed by genetic interaction networks. Genetic interaction networks' connectivity can alter as a result of variations in the frequency of one or more of the component allelic variants.
Intellectual ability, personality, and risk for mental illness are just a few of the behavioural and psychological traits that each person's genes can affect. These traits can affect both parents and children within a family.
Instinctive behaviour is another name for innate behaviour. An animal's capacity to respond to a certain stimulus with a specific action the first time it encounters the stimulus is known as instinct.
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What is the smallest number of individuals that would still allow a population to be able to persist or grow, ensuring long-term survival?
The smallest number of individuals that would still allow a population to be able to persist or grow, ensuring long-term survival is referred to as a minimal viable population.
In the field of ecology, we can simply define minimal viable populations as the smallest number of viable populations of a species living in an area. The species reaching a minimal viable population still have the capability to grow itself and ensure survival in an area.
The minimal viable population of a species is important for an ecologist to make research. Through a minimal viable population, an ecologist can determine which factors of an ecosystem help a population in survival and which ones act as its disruption.
The level of certainty that a species reaching a minimal viable population will survive depends on the conditions of the ecosystem.
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In a short essay (100-150 words), describe how the structure and electrical properties of vertebrate neurons reflect similarities and differences with other animal cells.
Invertebrate neurons are typically simpler. They are all the same shape, and the neuron cell bodies are organized into what are known as ganglia. Invertebrate neurons lack a myelin sheath, and how information flows is not well understood.
What are properties of neuron?The size, shape, and structure of neurons vary depending on their function and location. Almost all neurons, however, have three essential components: a cell body, an axon, and dendrites.
Neurons in invertebrates are typically simpler. They all have the same shape, and the neuron cell bodies are organized into ganglia. Because invertebrate neurons lack a myelin sheath, it is unclear how information flows.
Vertebrate neurons are far more complex, with trillions of neurons that vary greatly in shape and size.
They do have a myelin sheath and receive input via dendrites and output via axons. The similarities include the use of the neurotransmitter acetylcholine and the transmission of information.
Thus, these are similarities and differences with other animal cells.
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Based upon what we are learning about invasive lionfish populations in the caribbean and along the atlantic coast of the united states, these lionfish populations __________.
Based upon what we are learning about invasive lionfish populations in the Caribbean and along the Atlantic coast of the united states, these lionfish populations cannot be eradicated using any known methods.
What is lionfish?The Indo-Pacific is home to the venomous marine fish genus Pterois also referred to as lionfish. It is distinguished by vivid warning coloration with red, white, creamy, or black bands, flashy pectoral fins, and venomous, spiky fin rays.
Do lionfish live in the Caribbean and Atlantic?Lionfish populations throughout the Caribbean are depicted in this picture. Today, lionfish can be found living in the warm ocean waters of the wider Atlantic on reefs, wrecks, and other forms of habitat. In the Atlantic, Gulf of Mexico, and Caribbean, lionfish ecosystems are being harmed as they continue to spread at astounding rates.
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Which of the following has the greatest effect on the rate of chemical cycling in an ecosystem? a. the rate of decomposition in the ecosystem b. the production efficiency of the ecosystem's consumers c. the trophic efficiency of the ecosystem d. the location of the nutrient reservoirs in the ecosystem
The rate of decomposition in the ecosystem has the greatest effect on the rate of chemical cycling in an ecosystem.
Decomposition is the process in which complex organic matter is broken down into inorganic building blocks like carbon dioxide, water, and other nutrients by decomposers. The primary location for decomposition activities in the terrestrial environment is the top layer of soil. The breakdown process takes place at the bottom layer (Benthic Zone) of aquatic bodies. If the temperature is raised, the process proceeds smoothly; conversely, if the temperature is low, the breakdown process proceeds slowly. The rate of decomposition is influenced by temperature; colder temperatures slow it down while warmer temperatures speed it up.
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Why, when testing a new drug to control blood pressure, would we learn more about its effectiveness from giving it to half of the participants in a group of 1000 than to all 1000 participants?
The test would be more effective if the drug was given to half of the participants because it would be possible to compare the effects it had on those participants' bodies with the lack of effects on the participants who didn't take the drug.
What conclusions can be drawn from this?It is possible to know if the drug interfered in any part of the body.It is possible to know if the drug can fight the disease.It is possible to know whether the drug promotes beneficial or harmful effects.If the entire group takes the medication as volunteers, the effects will be observed less carefully, because it will not be possible to perceive secondary changes, caused by the medication, in the volunteers' bodies.
However, by providing the drug to only half of the volunteers, it is possible to compare the results between the two groups of volunteers, avoid possible biases and identify the impact of the drug on the disease and on the body as a whole.
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Which nerve cell process receives incoming signals and transmits them to the cell body?.
According to the research, the correct option is dendrites. Dendrites nerve cells receive incoming signals and transmit them to the cell body.
What are dendrites?There are several outputs in the form of small and thin threads that participate in different synapse connections, receiving incoming signals to take it to the new soma and continue the cycle in each nerve structure.
In this sense, these short nerve structures function as extensions of the neuronal body and have the function of receiving the information generated during the synapse.
Therefore, we can conclude that according to the research, the correct option is dendrites. Dendrites nerve cells receive incoming signals and transmit them to the cell body.
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What would a streak plate look like if you had not sterilized the loop between streaking into the new areas of the plate?
If you had not sterilized the loop between streaking into the new areas of the plate, the number of bacteria colonies seen in each area may decrease but the numbers would not decrease enough for individual colonies to form.
What is a Streak plate?The streak plate is referred to as a technique which is used to isolate the organisms from a mixed population into a pure culture and mostly involve bacteria. This is done in the laboratory and is commonly used in the field of microbiology in other to study microorganisms.
In a scenario whereby the loop is not sterilized between streaking into the new areas of the plate, the number of bacteria colonies seen in each area may decrease but the numbers would not decrease enough for individual colonies to form.
This is as a result of the contamination which occurs in which other substances take the place of the bacteria thereby causing a decrease being experienced.
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Explain the difference between vertical and horizontal integration. How were these business models representative of monopolies?
When two firms combine, whose products and production levels are the same, then this is known as Horizontal Integration. Vertical Integration is when a firm takes over another firm or firms, that are at different stages on the same production path.
Horizontal Integration is a kind of business expansion strategy, wherein the company acquires the same business line or at the same level of the value chain so as to eliminate competition to a greater extent. Conversely, Vertical Integration is used to rule over the entire industry by covering the supply chain. It implies the integration of various entities engaged in different stages of the distribution chain.
The greatest advantage of horizontal integration is that it eliminates competition between firms, which ultimately extends the market share of the company. Conversely, Vertical Integration results in lowering the cost of production and wastage.
Horizontal Integration helps to acquire control over the market, but Vertical Integration is a strategy used for gaining control over the whole industry.
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Suppose instead of the PBDG receptor the researchers had used a receptor specific for a sweetener that humans crave but mice ignore. How would the results of the experiment have differed?
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9. Lydia played miniature golf 4 times last week. Each time she shot 3
strokes under par (-3). What was Lydia's total score?
Answer:
-12
Explanation:
Since Lydia hit 3 strokes under par 4 times during the week, that means she had a total of (-3) × 4 = -12
Suppose you receive an injection of cortisone, a glucocorticoid, in an inflamed joint. What aspect of glucocorticoid activity would you be exploiting? If a glucocorticoid pill were also effective at treating the inflammation, why would it still be preferable to introduce the drug locally?
It would it still be preferable to introduce the drug locally because It would make use of or take advantage of glucocorticoids' anti-inflammatory characteristics.
The effects on glucose metabolism that would occur if glucocorticoids were taken orally and circulated throughout the body are eliminated by local injections.
Although inflammation is a natural process that helps the body repair and protect itself from harm, it needs to be treated when it lasts for more than a few days or weeks. Inflammation in the joints is a symptom of arthritis.
An example of an anti-inflammatory medicine is corticosteroids. Treatment for rheumatologic conditions such lupus, vasculitis, and rheumatoid arthritis is widespread (inflammation of the veins). Explicit corticosteroids combine prednisone and cortisone.
Glucocorticoids (GCs) are frequently used to treat cancer, autoimmune conditions, and inflammation. For instance, cortisol boosts the production of glucose from non-carbohydrate sources like proteins, increasing the amount of glucose that is available for use as fuel.
When injected into the body at concentrations greater than those occurring naturally, glucocorticoids suppress some immunological components. Consequently, inflammatory disorders like arthritis are occasionally treated with glucocorticoids.
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were there scores on both your fashion quizzes similar?
The posterior pituitary gland synthesizes and stores adh and oxytocin. true false
The statement that the posterior pituitary gland synthesizes and stores ADH and oxytocin is false.
Posterior pituitary gland is the small sized gland present at the base of the brain. The posterior pituitary glands only functions to store and release the hormones. It does not synthesize any hormone. The hormones of this gland are produced in the hypothalamus.
ADH is the anti-diuretic hormone. Its other name is vasopressin. It functions to increase the reabsorption of water from the kidneys, therefore reducing the amount of urine production. ADH also regulates the blood pressure by acting upon the blood vessels.
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Why is nutrient availability in a tropical rain forest particularly vulnerable to logging?
Most of the nutrients in a tropical rainforest are contained in the trees, so removing the trees by logging rapidly depletes nutrients from the ecosystem. The nutrients that remain in the soil are quickly carried away into streams and groundwater by the abundant precipitation
Tropical Rainforest has has thick vegetation surrounding the region, providing covering for many organisms is found in Africa, South-east Asia, and South Americait has exotic animals such as, monkey, reptiles, parrots, snakes, and leopards , and orchids, bromeliads, vines and ferns that must learn to tolerate shade and absorb sunlightThis biome has four different layers, the trees of this biome are so densely packed that rain falling on the canopy can take as long as ten minutes to reach the ground.Tropical Rainforest t biome is responsible for the majority of oxygen production that is in the air we breathTo know more about tropical rainforest visit : https://brainly.com/question/20406277
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The number of neutrons in an atom can be found by subtracting the atomic number from the
Answer:
number of protons
Explanation:
The atomic mass equals the number of protons plus the number of neutrons, so you find the number of neutrons by subtracting the number of protons (i.e. the atomic number) from the atomic mass (in atomic mass units)
When providing education about the organism escherichia coli, the rn may also appropriately abbreviate the name as _______.
When providing education about the organism Escherichia coli, it is possible appropriately abbreviate the name as E. Coli.
What is taxonomic nomenclature?The expression taxonomic nomenclature makes reference to the manner in which organisms are classified and identified by names, in the case of genera it may involve the abbreviation using the first letter.
In conclusion, when providing education about the organism Escherichia coli, it is possible appropriately abbreviate the name as E. Coli.
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How did the drought lead to an increase in beak size in the medium ground finch population?
Since beak size is an inherited trait, only then could the species adapt and survive in the harsh drought conditions. The larger beaks got inherited into offspring and this population was able to survive in the harsh conditions.
Darwin's finches are a set of approximately 18 species of passerine birds. they will be extensively identified for their fantastic range in beak shape and characteristic. they may be regularly categorised because the subfamily Geospizinae or tribe Geospizini.
They belong to the tanager family and aren't intently associated with the actual finches. At the Galapagos Islands, Darwin additionally saw several unique sorts of finch, a awesome species on every island. He observed that each finch species had a considered one of a type form of beak, depending at the meals available on its island. The finches that ate massive nuts had sturdy beaks for breaking the nuts open.
Darwin's Finchesn Darwin placed that beak form varies amongst finch species. He postulated that the beak of an ancestral species had tailored through the years to equip the finches to collect exclusive meals assets.
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What do the number and length of nephrons in a fish's kidney indicate about the fish's habitat? How do they correlate with urine production?
The number and length of nephrons in a fish's kidney indicate about the fish's habitat is
Different fish species, such as freshwater fish and marine fish, have different numbers and sizes of nephrons. Due to the osmoregulation phenomena, freshwater fishes generate urine that is less concentrated. The nephrons in the kidney are closely spaced and filter fluids quickly. The oceanic fishes have tiny, sparsely distributed nephrons. These nephrons are devoid of distal tubules. Both the filtration rate and the amount of fluid discharged in the urine are decreased.
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what would most likely occur over time if new technologies gave us information that challenged what scientists currently understand about natural selection? brainly
A current scientific theory would be revised based on the new findings if new technologies gave us information that challenged what scientists currently understand about natural selection.
A scientific theory results from research made by different scientists. These researches have a solid stance for proving a scientific theory. However, scientific theories are subject to being revised over time and can be changed accordingly if new research provides proper evidence for its modifications.
If through modern technologies, new information is proved then amendments or modifications are made to the previous theory rather than forming a completely new theory and discarding the previous one altogether.
After new information has been proved about natural selection, certain revision steps will occur and based on these revisions, the necessary modifications to the previous theory will be made.
Although a part of your question is missing, you might be referring to this question:
What would most likely occur over time if new technologies gave us information that challenged what scientists currently understand about natural selection?
A) A new scientific law would be established and proven by the findings.
B) A new scientific theory would be established and proven by the findings.
C) A current scientific law would be revised based on the new findings.
D) A current scientific theory would be revised based on the new findings.
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The extracellular matrix outside the plasma membrane of animal cells is typically composed of?
The extracellular matrix outside the plasma membrane of animal cells is typically composed of collagen protein and glycoproteins.
Collagen is a structural protein. It is a major constituent of various connective tissues as well as the ECM. The presence of collagen in body as it serves various benefits like: increase in muscle mass, prevention of bone loss, in the tightening of the skin, etc. The protein has high rigidity and resistive power.
Glycoproteins are the type of proteins where the carbohydrate chain is attached to the side chain of amino acids. The process of attached of carbohydrate is known as glycosylation. The examples of glycoproteins are: mucin, transferrin, various hormones, etc.
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How might biophilia influence us to conserve species and restore ecosystems?
Biophilia influences us to conserve species and restore ecosystems It can act as motivation for the development of an environmental ethic that resolves not to let species become extinct or ecosystems destroyed.
Zoned reserves may additionally provide sustained materials of woodland merchandise, water, hydroelectric electricity, educational possibilities, and earnings from tourism. motion corridors can sell dispersal and decrease inbreeding in declining populations and are especially crucial to species that migrate seasonally.
Habitat fragmentation influences biodiversity with the aid of increasing isolation among populations and reducing powerful populace size, which alters inbreeding and genetic waft within populations, however, a hall also can be dangerous. for example, through allowing the spread of sickness and volunteering for network or college tasks.
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What part of the central nervous system can function without the direct involvement of the brain?
Answer:
Spinal cord
Explanation:
The spinal cord contains neurons that control our reflexes, without the involvement of the brain.
Which of the following is NOT true of plants?
Question 1 options:
A: they are multicellular
B: they undergo photosynthesis
C: they use sunlight to produce food
D: plants are heterotrophic
Or: all of the above are true regarding plants
Which of the following is true regarding plants?
A: plants are unicellular
B: plants are autotrophs
C: plants produce carbon dioxide
D: plants are not producers
Or: none of the above are true of plants
Answer:
all of them
Explanation:
because they all have these characteristics
If histidine was placed in a solution of ph9, which species would be the dominate form?
The form of histidine at pH nine is the deprotonated form.
What is the form of the histidine?
Histidine is one of the amino acids that exists. Let us recall that amino acids have both carboxylic groups and the amine groups. These are positioned in a way that gives the amino acids their nature. We know that there is the possibilities of the formation of zwitterions in an amino acid.
The form that the amino acids takes depends on the pH. At a higher pH, the carboxylic group is deprotonated while the protonated form remains at a low pH.
Hence, the form of histidine at pH nine is the deprotonated form.
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Clostridium botulinum, the bacterium that causes botulism, is a rod-shaped, endospore-forming, toxin-producing organism. which is true about endospores?
The true statement about endospores is that: A. endospores allow bacteria to withstand adverse conditions.
What is a pathogen?A pathogen can be defined as a group of living microorganisms that are capable of causing diseases and harm to their host. In Science, some examples of pathogen include the following:
ProtozoaFungiWormsVirusBacteriaWormsInfectious proteins (prions).What is clostridium botulinum?Clostridium botulinum can be defined as an anaerobic, rod-shaped, endospore-forming, bacterium that produces the most dangerous and potent biological toxins (botulinum toxins) under low oxygen conditions.
This ultimately implies that, clostridium botulinum simply refers to the endospore-forming, bacterium that causes botulism, which is considered to be the most dangerous and potent biological toxins.
Based on scientific research and experiments, we can reasonably and logically conclude that endospores are seed-like, highly resistant cell structures that allow bacteria to withstand adverse conditions.
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Complete Question:
Clostridium botulinum, the bacterium that causes botulism, is a rod-shaped, endospore-forming, toxin-producing organism. Which is true about endospores?
Endospores allow bacteria to withstand adverse conditions.
Most bacterial genera can form endospores.
Endospores are a step In bacterial reproduction.
Endospores are a type of storage structure.
Endospores are formed under ideal environmental conditions.