Cells normally regulate the rate of an enzymatic reaction by
allowing all metabolic enzymes to be found throughout the cytosol.
raising their temperature to 110° F.
increasing reaction rate as the concentration of product increases.
changing the concentration of an enzyme.
Answers
Cells normally regulate the rate of an enzymatic reaction by changing the concentration of an enzyme.
Enzymes are proteins that act as catalysts, speeding up chemical reactions in cells. Cells regulate enzymatic reactions by altering the concentration of the enzyme.
This can be done through processes such as synthesis or degradation of the enzyme, or by modulating the enzyme's activity through post-translational modifications or binding of regulatory molecules.
By changing the concentration of an enzyme, the cell can effectively control the rate of the reaction to meet its metabolic needs.
Cells control enzymatic reaction rates by modulating the concentration of the enzyme, allowing for efficient regulation of metabolic processes.
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Related Questions
The mantle is always solid. True or false?
Answers
Answer:
It is predominantly solid but in geological time it behaved as a viscous fluid.
Explanation:
Answer:
true (more info below)
Explanation:
a mantle is a layer of hot, solid material between Earth's crust and core.
hope this helped!
Question 1(Multiple Choice Worth 3 points)
(03.08 MC)
A scientist trying to amplify the green fluorescent protein (GFP) gene from a sample of jellyfish DNA would primarily use which technology to separate the GFP gene from the rest of the DNA?
Polymerase chain reaction
Gel electrophoresis
Artificial selection
Genetic engineering
Answers
Artificial selection is the approach used by a scientist trying to amplify the green fluorescent protein (GFP) gene from a sample of jellyfish DNA to separate the GFP gene from the rest of the DNA.
Artificial selection refers to the human recognition of desirable qualities in plants and animals as well as the actions taken to strengthen and maintain such traits in succeeding generations. Artificial selection operates in a similar manner to natural selection, with the exception that in natural selection, these judgments are made by nature without human intervention.
In an evolutionary process known as artificial selection, humans actively choose which traits in organisms to preserve in their offspring or selectively breed from one generation to the next. For thousands of years, people have artificially selected plants and animals.
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what is weathering?
Answers
Answer:
Weathering is the breaking down or dissolving of rocks and minerals on Earth's surface.
Explanation:
Once a rock has been broken down, a process called erosion transports the bits of rock and minerals away. Water, acids, salt, plants, animals, and changes in temperature are all agents of weathering and erosion.
Answer:
the breaking down or dissolving of rocks and minerals on the surface of the Earth is known as weathering
Some predators hide in plain sight before ambushing their prey by virtue of their ____________________.
Answers
Answer:
Some predators hide in plain sight before ambushing their prey by virtue of their Physical adaptations to their environment_.
Explanation:
it allows them to sneak up on their prey and get them before they can react
(aka: camouflage)
Thermodynamics
Heat is thermal energy which is passed on or transferred from one object to another. You may have experienced the many different ways heat can transfer energy; from the rays of the sun, to flow of a breeze.
100% energy in the form of solar radiation
34% reflected from clouds & dust
02% Photosvnines
Wind 1%
Evaporating Water 23%
42% towards heating surface and atmosphere
It takes eight minutes for electromagnetic waves to transfer energy from the sun to the earth. This particular type of energy transfer is known as solar radiation.
As the radiation strikes the earth, molecules within the crust of earth begin to move. As the molecules in the earth begin to collide, the process of conduction begins. If you have ever visited the beach during the warm summer months, you have probably experienced walking on very hot sand. The hot sand is the result of the sun's rays transferring heat through the collision of molecules which is known as conduction. As the land of the earth becomes heated, the molecules in the air above the land are affected. As an air mass becomes warmer, it also becomes less dense and begins to rise. As the density changes and the air mass begin to flow, the process known as convection has begun.
Answer the following questions
1. A light was left on over night on a desk. What kind of heat was being let off from the bulb?
a. Convection
b. Conduction
c. Radiation
d. Solar
2. During the summer the energy from the sun causes the black top on some roads to get so hot, the tar bubbles on the surface. What kind of energy transfer causes the molecules within the black top to move?
a. Convection
b. Conduction
c. Radiation
d. Potential
3. Within the local weather report, high winds are said to be moving into the area. What type of energy is responsible for the flow of energy which creates wind?
a.
Radiation
b.
Convection
C.
Conduction
d.
Potential
4. Radiation is energy which is transferred through
a. Waves
b. Convection
c. Conduction
d. movement
5. Pam places a test tube containing water over a Bunsen burner and lights it. On another sheet of paper, describe the heating process of the contents of the test tube. Within your answer be sure to:
• Identify each phase of thermodynamics, including; conduction and convection
• Describe the movement of the water molecules
Answers
1) The correct answer is c. Radiation. The heat being let off from the bulb is in the form of thermal energy, which is transferred through electromagnetic waves, or radiation.
2) The correct answer is b. Conduction. The energy from the sun is transferred to the black top through radiation, but the heat causes the molecules within the black top to move through conduction, which is the transfer of heat through collisions between molecules.
3) The correct answer is b. Convection. Wind is created by the movement of air masses, which is driven by convection, the transfer of heat through the movement of fluids (in this case, air).
4) The correct answer is a. Waves. Radiation is the transfer of energy through electromagnetic waves, such as visible light, infrared radiation, and ultraviolet radiation.
5) As the Bunsen burner heats the test tube, the water molecules within the test tube begin to move faster and collide with one another, causing the temperature of the water to increase. This is an example of conduction, the transfer of heat through collisions between molecules. As the water near the bottom of the test tube is heated, it becomes less dense and begins to rise, while cooler water from the top of the test tube sinks down to take its place. This is an example of convection, the transfer of heat through the movement of fluids.
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Please answer!!!
A b c or d
Answers
Answer:
I'll give this a shot I think it's B!
Explanation:
Consumption of non-nutritious food and sedentary behavior has resulted in an increase in __________ in countries in stage four of the epidemiologic transition. A. Cancer B. Famine C. Plagues D. Obesity
Answers
Countries in stage four of the epidemiologic transition have seen a rise in obesity as a result of sedentary lifestyles and the consumption of non-nutritions food.
In stage four, countries witness a shift in the leading cause of morbidity and mortality from infectious diseases to non-communicable illnesses like cardiovascular disease, diabetes, and specific types of cancer. Obesity rates have increased as a result of the adoption of bad eating habits, such as the intake of processed meals and foods high in calories, as well as a decline in physical activity levels. Obesity is a big health concern in stage four countries because it increases the risk of several chronic diseases, such as heart disease, stroke, and some types of cancer.
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why do living organisms need...
a)food
b)energy
c)matter
Answers
Answer:b
Explanation:
The organism needs energy to order to reproduce growth and food. Without the energy none of the organism is alive.
Match the descriptive term with the correct genotype or description.
Meme Creator - Funny My phenotype may not be great But it is my genotype that counts Meme Generator at MemeCreator.org!
Column A
1.
Homozygous dominant:
Homozygous dominant
2.
Homozygous recessive:
Homozygous recessive
3.
Heterozygous:
Heterozygous
4.
Phenotype:
Phenotype
Column B
a.gg
b.blue eyes
c.Gg
d.GG
Answers
Answer:
1.) d.
2.) a.
3.) c.
4.) b.
Explanation:
Homozygous (same zygote) means both alleles in a chromosome pair are either both dominant, represented by a capital letter, or both recessive, represented by a lowercase letter.
Homozygous dominant genotypes would be represented by two uppercase letters, for this problem GG (d.).
Homozygous recessive would be represented by two lowercase letters, for this problem gg (a.).
Heterozygous (different zygote) means the subject genes in a chromosome pair have a dominant and a recessive allele. These genotypes are represented by an uppercase and lowercase letter, for this problem Gg (c.).
Phenotypes are the physical manifestations of a genotype. For this problem, the only physical attribute is blue eyes (b.).
why must dsrna viruses package an rna-dependent rna polymerase (rdrp) inside their viral capsid?
Answers
dsRNA viruses package an RNA-dependent RNA polymerase (RdRp) inside their viral capsid because this enzyme is essential for viral replication. Unlike cellular RNA polymerases, which require a DNA template to synthesize RNA, RdRp can use viral RNA as a template for RNA synthesis.
1. Genome replication: RdRp is essential for replicating the virus's dsRNA genome. Upon entering a host cell, the RdRp synthesizes new RNA strands, ensuring the viral genetic material can be propagated.
2. Host cell machinery: Unlike single-stranded RNA viruses, dsRNA viruses cannot utilize the host cell's machinery for replication. Packaging RdRp within the capsid ensures the necessary enzyme is available for replication within the host cell.
3. Transcription: RdRp plays a vital role in the transcription process of dsRNA viruses, creating mRNA from the viral dsRNA genome. This mRNA is then translated into viral proteins by the host cell machinery.
4. Compartmentalization: Packaging RdRp within the viral capsid helps protect the enzyme from degradation by host cell defenses, ensuring its availability for viral replication and transcription.
In summary, dsRNA viruses package RdRp inside their viral capsid to facilitate genome replication, utilize host cell machinery for transcription, and safeguard the enzyme from degradation, ensuring a successful infection.
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In ecosystems, biotic an abiotic factors influence one another. Give three examples of an interaction between a biotic and abiotic factor in any of the marine ecosystems from the chart. (Use the back for more room).
Answers
Answer:
One of the most critical interactions in an ecosystem between the biotic and abiotic environment is photosynthesis, the base chemical reaction that drives most life on earth. Plants and algae use sunlight, water and carbon dioxide to create the energy they need to grow and live via photosynthesis.
Hope this helps!
A scientist is observing an organism under the microscope. The organism was found in salt water, is multicellular, and its cells do not have nuclei. What is most likely true about the organism based on this information?
Answers
Answer:
I think the options should be:
It is a protist because it is microscopic.
It is not a protist because its cells do not have nuclei.
It is not a protist because it is multicellular.
It is a protist because it is found in salt water.
If correct, then the answer is option B
Explanation:
The above information about the organism can confirm that the organism is not a protist because it does not possess nuclei. It could be a prokaryote but these are not multicellular but can only be under the condition that maybe each prokaryotic cell aggregates and exist as a colony.
Answer:
the answer is its a protis bc its microscopic .
Explanation:
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PLEASE HELP ME!!!
A.) transport of molecules
B.) immune response
C.) energy conversions
D.) synthesis of new molecules
Answers
3. What are the three key components that make up a fuse?
Answers
The three key components that make up a fuse are a metal conductor, a fuse element, and a housing or enclosure.
A fuse is an electrical safety device designed to protect an electrical circuit from excessive current.
It operates by interrupting the flow of current when it exceeds a certain threshold, thereby preventing damage to the circuit and connected devices. The three components work together to achieve this function.
1. Metal conductor: The metal conductor, often in the form of a strip or wire, is the main conducting element of the fuse. It is typically made of materials with low resistance, such as copper or silver, to ensure efficient current flow.
2. Fuse element: The fuse element is a part of the conductor that is intentionally designed to have a lower melting point or lower resistance than the rest of the conductor.
When the current exceeds the rated value, the fuse element heats up and melts, creating an open circuit and stopping the flow of current.
3. Housing or enclosure: The housing or enclosure provides physical protection and insulation for the fuse components. It is usually made of a non-conductive material, such as ceramic or glass, to prevent accidental contact with live parts and ensure safety.
Together, these components enable the fuse to detect and respond to excessive current, safeguarding electrical systems and equipment from damage or hazards.
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Could someone help me?
Every organism has a set of instructions that determines its traits. Which term describes the process through which it receives this set of instructions?
Gene
Heredity
Repetition
Generation
Answers
Every organism has a set of instructions that determines its traits. Which term describes the process through which it receives this set of instructions will be Heredity.
Answer:
B.
Explanation:
what do Physical scientist explore?
Answers
Answer:
A physical scientist works mainly in a laboratory (although fieldwork may be possible), conducts experiments or makes observations, analyzes findings, operates necessary equipment, and develops and tests theories.
Explanation:
Hope This Helps!
Answer:
They explore physical things like venturing out in nature to see the size, shape, and where it goes in the ecosystem.
Explanation:
3. How are protists similar to animais, plants and fungi?
Answers
Answer:
Animal-like protists, which are heterotrophs and have the ability to move. Plant-like protists, which are autotrophs that photosynthesize. Fungi-like protists, which are heterotrophs, and they have cells with cell walls and reproduce by forming spores.
Explanation:
Homologous is used to
describe alleles that match
true or false
Answers
Answer:
true
Explanation:
sbdhsusbedbsssarv
If W is white and w is purple,
what percent of the offspring
have purple flowers?
Answers
Answer:
[See Below]
Explanation:
___________________________________________________
✦ To do this you have to make a box and split it in \(4\) categories.
Put WW on top and ww on the side. Then you drag the letters over.___________________________________________________
~Hope this helps Mate. If you need anything feel free to message me.
What causes a sublunar tide?
A. None of these
B. The moon is on the opposite side of the Earth as the sun, and their opposing gravities mostly cancel out, resulting in a low tide.
C. The moon's gravity accelerates the Earth towards the moon, pulling the solid mass away from the water on the other side.
D. It is caused directly by the moon’s gravity pulling the water on the side of Earth closest to the moon.
Answers
The oppositional gravitational force of the moon pulls the water on the side furthest from itself. Thus, option "D" is correct.
How the moon and, to some degree, the sun cause tides on the earth?The moon and sun exert a gravitational pull on the earth.
The moon pulls strongest on the ocean water on the same side, lesser on the solid earth, and the least on ocean water on the opposite side of the earth.
The pull creates tidal bulges that are the earth’s high tides. Low tides occur at the halfway point between the bulges.
Thus, option "D" is correct.
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cellular respiration concept map. Please Help!
Answers
We know that cellular respiration involves the production of ATP.
What is cellular respiration?Cellular respiration is the process by which cells convert the energy stored in organic molecules (such as glucose) into a form that can be used by the cell, known as ATP (adenosine triphosphate).
The process of cellular respiration involves several stages, including glycolysis, the citric acid cycle, and the electron transport chain, which occur in the cytoplasm and mitochondria of cells. Cellular respiration is a vital process for all living organisms as it provides the energy required for cellular processes such as growth, reproduction, and response to stimuli.
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Help I need this done by today!
Protease enzymes break down proteins into amino acids. The breakdown can be followed using albumen solution. Albumen is a protein which can be mixed with water to make a solution. Albumen solution is cloudy. When the protein is broken down, the solution goes clear.
Describe how you would carry out an experiment to test the effect of pH on protease.
Include details of control variables and the range of pH values that you would use.
Answers
To optimize the pH for the activity of the mentioned protease, perform the standard protease activity Assay with multiple buffer solutions (changing just the pH of the reaction), focusing on the pH range where the enzyme activity is high. However, keep in mind the buffer should be employed at a certain pH range.
Acetate buffers (pH 4.5-5.5), phosphate buffers (pH6-7.4), and Tris-HCl are examples (8-9). To assess pH stability, pre-incubate the enzyme in appropriate buffer solutions for a time set by you, say 2 hours, while periodically withdrawing an aliquot (maybe at 20-minute intervals) to be used as enzyme solution in the standard enzyme activity experiment. This allows you to compute the enzyme's residual activity and assess how stable it is at each pH.
What are Protease enzymes?Proteins are broken down into amino acids by protease enzymes. Albumen solution can be used to monitor the breakdown. Albumen is a protein that may be made into a solution by combining it with water. The albumen solution is hazy. The solution becomes transparent when the protein degrades.
Proteases are enzymes that break down protein peptide bonds; they are classified as acid, neutral, or alkaline proteases. Plants, animals, and microorganisms can produce these enzymes under a variety of conditions, including high salt concentrations.
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Environmental scientists study ways society can use up natural resources and are not concerned with preserving them for the future. True or False?
Answers
Environmental scientists study ways society can use up natural resources and are not concerned with preserving them for the future, which is false as the natural resources should be used in a sustainable manner.
What is the significance of environmental scientists?They study and conduct research on air and water pollution, climate change, and conservation biology and use their knowledge and skills to develop sustainable solutions that balance society's needs, as well as to educate people about the importance of preserving natural resources for future generations.
Hence, environmental scientists study ways society can use up natural resources and are not concerned with preserving them for the future, which is false as the natural resources should be used in a sustainable manner.
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Calculate the surface area,
volume, and surface area to volume ratio of a
cube with 3mm sides.
Answers
surface area = 6 * (side length * side length) = 6 * (3mm * 3mm) = 54mm^2
Volume = (side length * side length * side length) = (3mm * 3mm * 3mm) = 27mm^3
Surface area to volume ratio = surface area / volume = 54mm^2 / 27mm^3 = 2
Therefore, the surface area of the cube is 54mm^2, the volume is 27mm^3, and the surface area to volume ratio is 2. I hope this helps! Let me know if you have any other questions.
How would infection on the oesophagus affect the process of digestion?
Answers
Answer:
An infection would cause inflammation in the oesophagus and food would not be able to pass through freely, therefore affecting the digestive process.
What do you call a star that burns happily?
Answers
Is this wrong? I lost my Nanna 2 years ago, and I still cry at night because I miss her...
Answers
Answer:
nope
Explanation:
its right.........
Using your own words explain how the process of
Photosynthesis occurs (hint - what must go in and
what is created?)
Answers
Answer:
hope this will help you
Explanation:
photosynthesis is the process in which plant make their own food with the help of sunlight,water and carbon dioxide. water and carbon dioxide are raw materials in photosynthesis because they help to prepare their food.During photosynthesis, plants take in carbon dioxide and water 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 glucose. The plant then releases the oxygen back into the air, and stores energy within the glucose molecules.so sunlight water and carbon dioxide should go in which create oxygen.
the mixture of food and gastric juice that enters the duodenum is called: group of answer choices mucosa chyme gastrin bolus
Answers
: chyme
- why? chyme, a thick semifluid mass of partially digested food and digestive secretions that is formed in the stomach and intestine during digestion.
Explain why survival and reproductive success may not be equal for all
individuals in this population.
Answers
Answer: We show that in the stable population reproductive output is higher, and adult survival is lower; the difference in viability between the two populations is due to the difference in reproduction; reproductive rates are variable, whereas survival rates are relatively constant over time
Explanation: