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Related Questions
how is it that the cells in different body tissues are able to perform different functions the cells exhibit different patterns of gene expression
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Answer:
The correct answer is -The cells exhibit different patterns of gene expression.
Explanation:
The genome of a particular cell lies in its DNA sequence the information to show gene expressions which means that they make thousands of various proteins and RNA.
A cell generally expresses only a low ratio of its genes, and the various types of cells in organisms with a multicellular body system arise because various sets of genes are expressed.
Thus, the correct answer is -The cells exhibit different patterns of gene expression.
Which of the following statements about feedback regulation of a metabolic pathway is correct?
A) The compound that regulates the pathway acts as a competitive inhibitor or a positive allosteric regulator.
B) The enzyme that is regulated by feedback inhibition is usually the last enzyme in the metabolic pathway.
C) The final product of a metabolic pathway is usually the compound that regulates the pathway.
D) The products of the pathway become the reactants for a different reaction, and thus products are unable to accumulate.
E) Accumulation of the product of the pathway increases further formation of that product.
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Answer:
Correct answer is: B) The final product of a metabolic pathway is usually the compound that regulates the pathway.
Explanation:
Feedback regulation of a metabolic pathway is a mechanism by which the end product of a pathway inhibits an enzyme that catalyzes an early step in the pathway, thus preventing the overaccumulation of the product. This is an example of negative feedback, which maintains homeostasis and optimizes the efficiency of the pathway.
For example, in the synthesis of the amino acid isoleucine from threonine, the final product isoleucine binds to the allosteric site of the first enzyme in the pathway, threonine deaminase, and inhibits its activity. This reduces the rate of the pathway and prevents the excess production of isoleucine.
an organelle that serves as the transport system
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Answer:
endoplasmic reticulum (ER)
Explanation:
The endoplasmic reticulum (ER) is an organelle that helps make and transport proteins and lipids.
How are taste and smell related? (if you put a link or the wrong answer you will be reported)
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Answer:
Smell and taste are closely linked. The taste buds of the tongue identify taste, and the nerves in the nose identify smell. Both sensations are communicated to the brain, which integrates the information so that flavors can be recognized and appreciated.
hope this helps
have a good day :)
Explanation:
Answer:
Your mouth and nose is basically connected, and example you smell something and its spicy, right? So when you taste it, it's just as spicy as it smelt. I hope that answered your question :/
Explanation:
Forested floodplain wetlands benefit from periodic flooding from rivers. When floodwaters spill into the wetland, they bring water and nutrients and leave both behind. But humans have often cut off floodplains from rivers by building roads, levees, berms, etc. Think about what would happen if a river could no longer flood into these areas. How would the resulting increased amount of water and nutrients in the river affect soils, hydrology, and life downstream?
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The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.
If a river can no longer flood into forested floodplain wetlands due to human interventions, it would have significant consequences for the downstream areas in terms of soils, hydrology, and life.Without periodic flooding, the increased amount of water and nutrients in the river would not be able to disperse and be deposited in the floodplain wetlands. As a result, downstream soils would experience a decrease in nutrient inputs, leading to decreased fertility and altered composition. The absence of regular flooding would disrupt the natural hydrological cycle, reducing the recharge of groundwater and altering the flow patterns in the river system. This could result in decreased water availability, increased erosion, and changes in the overall ecosystem dynamics downstream.The disruption of nutrient flows and hydrological patterns would also have a significant impact on the life forms downstream. Aquatic plants, fish, and other organisms that depend on floodplain wetlands for breeding, feeding, and shelter would face habitat loss and reduced food availability. This, in turn, could disrupt the food chain and impact the abundance and diversity of aquatic and terrestrial species in the downstream areas.The absence of flooding from rivers into forested floodplain wetlands would lead to adverse effects on soils, hydrology, and the overall biodiversity downstream, emphasizing the importance of maintaining the natural connection between rivers and floodplains for the health and functioning of these ecosystems.For more such questions on flooding
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BRAINLIEST AND 20 POINTS!!! FIRST CORRECT ANSWER
Which of the following describes erosion caused by glaciers?
It forms big ice chunks.
It changes the temperature.
It happens quickly.
It takes a long time.
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Answer:
The 4th option.
Explanation:
Erosion from glaciers takes a long time because glaciers move very slowly across the land. For example, The Appalachian Mountains in the U.S. used to be really tall but slowly overtime, glaciers rounded them off.
explain (in detail) the process of photosynthesis
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Answer:
Explanation:
plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. Within the plant cell, the water is oxidized, meaning it loses electrons, while the carbon dioxide is reduced, meaning it gains electrons. This transforms the water into oxygen and the carbon dioxide into gluco
Plants and some bacteria use the suns energy to carry out photosynthesis and are therefore the foundation of all living systems
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Answer: Yes, that is correct.
Explanation: Photosynthesis is the process by which plants, algae, and some bacteria convert light energy into chemical energy in the form of organic compounds, such as sugars. This process is important because it is the primary way that energy is converted from the sun and is made available to other organisms in the food chain. Without photosynthesis, life as we know it would not exist.
the scottish fold is a breed of cat with a mutation in a gene involved in cartilage development. the result is that each ear of the cat has a crease, so the ears fall forward and lie against the head instead of standing up like the ears of most small cats. the mutation is a dominant allele.
a cat that is heterozygous for the fold allele mates with a cat that is homozygous for the fold allele.
what are the expected percents of offspring that will have each characteristic?
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In complete dominance, the presence of at least one dominant allele in the genotype is enougth to express the dominant phenotype. 100% of the offspring will have mutated creased ear, while 0% of the will have normal standing ear.
What is complete dominance?
Complete dominance is the inheritance pattern in which the dominant allele completely masks the recessive allele.
This interaction between alleles is observed in individuals who are heterozygous for a particular gene. They carry both alleles but only express the dominant trait. The dominant allele is hiding the expression of the recessive allele.
In the exposed example,
E is the dominant allele and codes for the mutated creased ear,e is the recessive allele and codes for the normal standing ear.Cross: a cat that is heterozygous with a cat that is homozygous for the fold allele.
Parentals) Ee x EE
Gametes) E e E E
Punnett square) E e
E EE Ee
E EE Ee
F1) 50% of the progeny is expected to be heterozygous
50% of the progeny is expected to be homozygous dominant
100% of the progeny is expected to have ears with a crease.
The expected percents of offspring that will have each characteristic are,
100% of the animals will have mutated creased ear,0% of the animals will have normal standing ear.You can learn more about complete dominance at
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Without the influence of other forces, particles naturally flow from areas of what ?
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Answer:
Influence of masks on expiratory particles and flow, and associated wearing suggestions. All types of masks can reduce the front flow, but air leakage in other directions can occur when wearing surgical and handmade masks.
Or pressurized areas to non-pressurized areas.
Answer:
From areas of high concentration to areas of low concentration.
A plasma membrane and a cell wall _____.
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Answer and Explanation:
The plasma membrane, also called the cell membrane, is the membrane found in all cells that separates the interior of the cell from the outside environment. In bacterial and plant cells, a cell wall is attached to the plasma membrane on its outside surface.
Explanation:
plasma membrane and cell wall is attached
Why are watersheds important for the maintenance of water quality? Choose all that apply.
Select 2 correct answer(s)
Question 3 options:
their soil and plants can filter and clean water
they can transfer pollutants
they cause precipitation and acid rain
they cause floods
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Answer:
This may be a little late but the answers are A. their soil and plants can filter and clean water and B. they can transfer pollutants and
Explanation: just trust me it was on my quiz these are the correct answers
Answer:
A & B is correct i took the quiz
Explanation:
The conformational change in an enzyme after the substrate is bound that allows the chemical reaction to proceed, can be explained by
A.induced fit
B. transition
C. fit and fine
D. Pasteur
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The steps to purifying DNA are listed below. Place them in order.
Burst cells open to release DNA
Isolate concentrated DNA
Collect cheek cells
Separate DNA from proteins and debris
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Answer:
Explanation:
1. Collect cheek cells
2. Burst cells open to release DNA
3. Isolate concentrated DNA
4. Separate DNA from proteins and debris
Which important event occurs in the second trimester? (1 point)
The developing human can begin to move its arms and legs.
The face of the developing human starts to form.
The heartbeat of the developing human can be heard via stethoscope.
The developing human starts responding to sounds.
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Answer:
C. The heartbeat of the developing human can be heard via stethoscope.
will give crown neeed asap
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Answer: river
Explanation:
Which example demonstrates divergence? (1 point)
Species A and B evolve into species C.
Species A goes extinct.
Species A does not evolve.
Species A evolves into species B and C.
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The example Species A evolves into species B and C. demonstrates divergence (d option).
What is the evolutionary process of divergence between species?The evolutionary process of divergence between species makes reference to the modification of the features of one population which may lead to the generation of two or more different species when appearing barriers of reproductive isolation.
Therefore, with this data, we can see that the evolutionary process of divergence between species is based on the generation of evolutionary adaptive features that may lead to the speciation process of one primitive population.
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Part B.
What happens to the string as a result of the vibrations?
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Answer:
Resonance causes a vibrating string to produce a sound with constant frequency, ie constant pitch. If the length or tension of the string is correctly adjusted, the sound produced is a musical tone.
Explanation:
TL:DR
wiggly string go wahhh because of tension
Answer: The wave travels through the string.
Explanation: Answer from Edmentum
What will happen to the pressure in the brain if water moves into it from the blood?
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Answer:
A sudden increase in the pressure inside a person's skull is a medical emergency. Left untreated, an increase in the intracranial pressure (ICP) may lead to brain injury, seizure, coma, stroke, or death. With prompt treatment, it is possible for people with increased ICP to make a full recovery
Explanation:
A medical emergency occurs when a person's internal pressure suddenly increases. An increase in intracranial pressure (ICP) may cause brain damage, seizures, comas, strokes, or even death if left untreated.
What is brain?The brain is a sophisticated organ that manages every bodily function as well as thought, memory, emotion, touch, motor skills, vision, respiration, temperature, and hunger. The central nervous system, or CNS, is made up of the spinal cord that emerges from the brain.
There are two distinct parts of the central nervous system: gray matter and white matter. Gray matter in the brain refers to the thicker, outer layer, and white matter to the thinner, inner layer beneath.
It is possible for patients with elevated ICP to fully recover with prompt treatment.
Therefore, A medical emergency occurs when a person's internal pressure suddenly increases. An increase in intracranial pressure (ICP) may cause brain damage, seizures, comas, strokes, or even death if left untreated.
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anybody know the answer for this question ? thank you
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Answer:
i think its: have a nucleus, cytoplasm and cell membrane
Explanation:
srry if im wrong i only know if they have a nucleus or not in which they do
Out of the 16 possible outcomes, how many have green leaves?
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Answer:
3 outcomes have green leaves.
Explanation:
A p e x
calculate the molarity
1. 10.25 g of KCl dissolved in 150 ml of water?
2. 5g of Ca(OH)2 dissolved in 250 ml of water?
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1. 0.917 M
2. 0.268 M
1. Finding number of moles of KCl
Number of moles of KCl = (mass of KCl) / (molar mass of KCl)
Number of moles of KCl = 10.25 g / 74.55 g/mol
Number of moles of KCl = 0.1376 moles
Then converting ml to L;
Volume of solution = 150 mL
Volume of solution = 0.150 L
Now we can calculate the molarity:
Molarity = (moles of solute) / (volume of solution in liters)
Molarity = 0.1376 mol / 0.150 L
Molarity = 0.917 M
Therefore, the molarity of the solution is 0.917 M.
2.Number of moles of Ca(OH)2 = (mass of Ca(OH)2) / (molar mass of Ca(OH)2)
Number of moles of Ca(OH)2 = 5 g / 74.09 g/mol
Number of moles of Ca(OH)2 = 0.067 moles
Convert the volume of the solution (in milliliters) to liters:
Volume of solution = 250 mL
Volume of solution = 0.250 L
calculate the molarity:
Molarity = (moles of solute) / (volume of solution in liters)
Molarity = 0.067 mol / 0.250 L
Molarity = 0.268 M
Therefore, the molarity of the solution is 0.268 M.
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a student ate a steak for dinner hich contains proteins ,how proteins are digested
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Proteins are digested in several stages. The process begins in the stomach, where the acidic environment and enzymes break down the proteins into smaller peptides. The stomach produces an enzyme called pepsin, which is activated by the acidic environment, and it breaks down the peptide bonds between amino acids in proteins.
After leaving the stomach, the partially digested proteins enter the small intestine, where additional enzymes are secreted by the pancreas and small intestine. These enzymes break down the peptides into smaller peptides and individual amino acids. Once the peptides are broken down into individual amino acids, they can be absorbed into the bloodstream and transported to cells throughout the body.
The amino acids are then used by cells to build new proteins or for other metabolic processes. Any excess amino acids are converted into other molecules or are excreted from the body.
In the small intestine, the pancreas secretes enzymes called proteases, which continue to break down the proteins into smaller peptides. These peptides are then further broken down by enzymes called peptidases, which are produced by the lining of the small intestine. The final products of protein digestion are amino acids, which can be absorbed into the bloodstream and transported to the liver for processing and distribution to other parts of the body.
Overall, the digestion of proteins involves the action of several different enzymes and takes place over a period of several hours.
What type of transmission occurs when a pathogen is spread though sneezing or coughing
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Answer:
air transmission
Espero que te sirva
Name Why do you think some people are against genetic engineering?
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Which statement best summarizes how the light-dependent reactions and light-independent reactions (Calvin cycle) work together during photosynthesis
The light-dependent reactions capture energy and the light-independent reactions use that energy to make glucose
The light-dependent reactions capture energy and the light-independent reactions use that energy to make ATP
The light-dependent reactions take in glucose (food energy) and the light-independent reactions use the glucose to make ATP
The light-dependent reactions capture bees and the light-independent reactions blend those bees up into golden cheddar mac and cheese... watch
out for the stingers though
The light-dependent reactions take in glucose (food energy) and the light-independent reactions use the glucose to make energy in the form of
sunlight
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The light-dependent reactions capture energy and the light-independent reactions use that energy to make glucose
The energy captured in the light-dependent reactions is stored in ATP and NADPH and is used in Calvin's cycle to fixateCO2 in order to synthesize glucose
Which action can humans take to reduce wave erosion?
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What are the two main conditions used to describe an area’s climate?
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2) precipitation
That’s it dude!!
Hope that helps you!!! Keep going!!
If a small drop of tiny particles such as pollen grains are dropped into a drop of water on a microscope slide, they will appear to vibrate and spread out. The primary reason for this is
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Answer:
The primary reason is that the pollen grains are being struck by water molecules that move in different directions. These strikes fluctuate and sometimes are uneven.
Explanation:
This vibration and spread out of molecules in water is called Brownian Motion. It is the result of the collision of small particles of water with big particles of pollen. As the particles of water move randomly hitting different sides of the pollen particle, at times, there will not be a coordinated movement, but as the movement of water particles is random, there will be moments when one side of the pollen particle will collide with more water particles, when this happens there is an unbalanced force that makes the pollen particle moves in a direction.
What are the energy producing organelles and under what conditions do they produce energy
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Answer: mitochondria are the site of aerobic respiration, for which of course, they require oxygen.
Explanation: mitochondria are the site of aerobic respiration and energy production for which they require a supply of oxygen
The energy-producing organelle is the mitochondria, and the mitochondria make the energy in the aerobic cellular respiration where the cell uses oxygen and makes the energy that is the ATP.
What is the function of the mitochondria?The mitochondria are cellular organelles in which energy is produced, which happens when the cell gets enough oxygen and the glucose is broken down completely to form ATP. The ATP is formed due to the proper oxygenation of the glucose, and the proton gradient is formed. The proton gradient gives the energy to the cell for energy production, and the energy is used by the cell for the overall body metabolism and growth.
Hence, the energy-producing organelle is the mitochondria, and the mitochondria makes the energy in the aerobic cellular respiration where the cell uses oxygen and makes the energy that is the ATP.
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