Which statement about enzymes is true?

An enzyme functions to decrease the rate of a chemical reaction.

Enzymes are proteins that function as catalysts in nonliving things.

Each enzyme can catalyze many different biochemical reactions.

Enzymes and substrates fit together like a lock and key.

Answers

Answer 1

Answer:

Enzymes and substrates fit together like a lock and key.

Explanation:

lock and key theory explains this.

Answer 2

Enzymes and substrates fit together like lock and key is the correct statement about enzymes.

What are enzymes?

Enzymes are specific kind of protein which increase the speed of chemical reaction. An enzyme functions to increase the rate of chemical reaction. Enzymes are specific kind of proteins that function as a catalyst in living things.

Each enzyme can catalyze specific biochemical reactions only. Each enzyme is specific for specific substrate. Enzymes and substrates fit together like a lock and key. They increases the rate of reaction without participating in it. They are protein in nature.

In human body as well different enzymes are found which helps in various functions such as respiration, digestion, muscle and nerve functions.

Therefore, Enzymes and substrates fit together like lock and key is the correct statement about enzymes.

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Related Questions

Find the best statement that describes Bilirubinuria:
O Glucose in urine
Bilirubin in urine
O Protein in urine
O a pigment metabolite from the destruction of hemoglobin
O Red blood cells in urine
O White blood cells or pus in urine

Answers

Answer:

a pigment metabolite from the destruction of hemoglobin

Explanation:

Bilirubin is a yellow pigment produced during the normal breakdown of hemoglobin as red blood cells die.

Which is the best description of an ecosystem?

A. A group of different species that eat the same food
B. A community of individuals that live in the same niche
C. A population of a species living in the same environment
D. A community of organisms and the abiotic factors with which they interact.

Answers

Answer: D

D. A community of organisms and the abiotic factors with which they interact (is the best description of the ecosystem).

A transmembrane protein has 1000 amino acids. The fifth amino acid is found on the
external surface of the cell membrane. It interacts with the aqueous environment outside the
cell. Amino acids 25 and 205 are covalently bonded to each other and are required to give
the protein its three-dimensional shape. Amino acid 554 is found on the outer surface of the
protein, but it is deep in the interior of the membrane. Amino acid 979 is found on the
external surface of the protein, where it forms a weak ionic bond with a chloride ion. Can
you identify each of the numbered amino acids by structural group and name? Please note
that there may be more than one specific amino acid possible in some cases

Answers

The amino acids are polar (position 5); polar and uncharged (25); polar and uncharged (205); cysteine (554); and polar charged (979).

What are amino acids?

Amino acids are the building block of proteins, which may have structural or enzymatic functions.

Amino acids have specific physicochemical properties depending on the nature of their R groups (e.g., polar, charged, etc)

In conclusion, the amino acids are polar (position 5); polar and uncharged (25); polar and uncharged (205); cysteine (554); and polar charged (979).

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Why have plants and animals been able to adapt to climate change in the past?
A. Slower Change
B. Human Protection
c> Climate has not changed

Answers

Answer:

A. Slower change

Explanation:

because it is a slower change and it had been able to adapt to climate change in the past slowly

Assume that rising temperatures increase all
the nerve impulse speeds by 5%. If the limb
movement speed shown is 119 meters per
second (m/s), what will it be at the higher
temperature? Round your answer to the
nearest whole meter.

Answers

Answer:

124.95 meters per second (m/s)

what process relseases carbbon dioxide back into the atmosphere

Answers

Answer:

exhaling.

Explanation:

Answer:

Respiration, combustion, decomposition, weathering

Explanation:

What is kidney dialysis and when is it needed?

Answers

Explanation:

kidney dialysis is when a person is experiencing kidney failure.

it is needed when the kidney don't filtrate blood the way it used to do, so a person will have to go to the doctor and wait for hours so they can have their blood filtrate. it's bad and could lead to death.

Loading gel is used to
.(mark all that apply).

A. load the gels into the electróWhoresis chamber (like a lubricant)
B. help the DNA stay inside the gel
C. stain the gel
D. stain the DNA

Answers

I believe D is correct

I don’t get it, it’s very confusing

Answers

Me either. There is no picture

What makes Renaissance Period different with other periods?

Answers

Explanation:

The Renaissance was a fervent period of European cultural, artistic, political and economic “rebirth” following the Middle Ages. Generally described as taking place from the 14th century to the 17th century, the Renaissance promoted the rediscovery of classical philosophy, literature and art.

bible verses about responsibility

Answers

Answer:1 Timothy 5:8

Explanation:

“But if anyone does not provide for his relatives, and especially for members of his household, he has denied the faith and is worse than an unbeliever.” If you can please answer my questions too!! Thx!

the type of inheritance that involves one dominant and one recessive allele us called ____.

A. dominance
B. predominance
C. codominance
D. incomplete dominance​

Answers

the answer is D
explanation

its dominance

Explanation:

Black-footed ferrets spend most of their time underground in prairie dog
burrows. What would increase the carrying capacity of a ferret population's
habitat?
O A. Increased agricultural development
B. Increased competition for food
O C. Increased human conservation activities
D. Increased population density
SUBMIT

Answers

Answer: increased human conservation activities

Explanation: it said this was the correct answer

Analyse the impact of these electronic media,such as social networks on individual under positive impact (5)

Answers

Answer: Social media permits you to: Communicate and sit up thus far with family and friends round the world. notice new friends and communities; network with people UN agency share similar interests or ambitions. be a part of or promote worthy causes; raise awareness on necessary problems.

Explanation:

60 POINTS HELP!!!!!
Consider the following process;
1. Sensory nerves signal that you are hungry.

2 You eat.

3. Food is broken down into nutrients.

4. Nutrients enter your blood.

Which of these body system does not work with your nervous system in this process?

A. The Digestive System

B. The Muscular System

C. The Skeletal System

D. The Immune System

Answers

Im thinking C. The skeletal system but not 100% sure.

Answer:

Sorry if I am wrong but I think this is the answer

Food is broken down into nutrients

The skeletal system

Explanation:

Which is the correct order of processes that occur as water moves from a lake to a cloud and then back to Earth's surface?
evaporation, condensation, precipitation
condensation, evaporation, precipitation
precipitation , condensation, evaporation
evaporation, precipitation, condensation

Answers

The processes that occur as water moves from a lake to a cloud and then back to Earth's surface is: evaporation, condensation, precipitation; option A.

What is the water cycle?

The water cycle is a cycle that illustrate how water is recycled between the land and the atmosphere.

The processes that occur as water moves from a lake to a cloud and then back to Earth's surface is as follows:

evaporation, condensation, precipitation

Therefore, the water cycle ensures continuous availability of water on earth.

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Match the following terms and definitions.

1. having one mate for a whole life span
polygyny
2. a symbiotic relationship between two organisms in which both species receive some type of benefit
phoresy
3. a relationship between two or more organisms of different species in which one benefits and the other is harmed
polyandry
4. a commensalistic relationship in which one organism is transported by another
parasitism
5. when females mate with multiple males
monogamy
6. when males mate with multiple females
mutualism

Answers

Phoresy is a commensalism relationship in which one organism is transported by another, monogamy is having one mate for a whole life span, mutualism is a symbiotic relationship between two organisms in which both species receive some type of benefit, polyandry is when females mate with multiple males, polygyny is when males mate with multiple females, and parasitism is a relationship between two or more organisms of different species in which one benefits and the other is harmed.

What is symbiotic relationship?

The relationship where organisms depend on the capability of organisms to benefit each other is referred to as a symbiotic relationship.

The given scenario can be matched as:

Phoresy is a commensalism relationship in which one organism is transported by another.Monogamy is having one mate for a whole life span.Mutualism is a symbiotic relationship between two organisms in which both species receive some type of benefit.Polyandry is when females mate with multiple males.Polygyny is when males mate with multiple females.Parasitism is a relationship between two or more organisms of different species in which one benefits and the other is harmed.

Thus, these are the relationships between the given terms.

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Probiotics are supplements that contain beneficial bacteria that aid in digestion. Some healthcare professionals have seen these bacteria-filled supplements improve the digestive health of many of their patients. Which of
the following is the best explanation of how probiotics can improve digestive health?


Probiotics do more harm than good by increasing the reproduction of harmful bacteria

Probiotics can deactivate viruses that can cause food born illness

Probiotics add beneficial bacteria to the gut that aid in nutrient absorption and help
limit the growth of harmful bacteria

Probiotics increase stomach acid that helps break down food

Answers

probiotics main function is to promote healthy bacteria in our digestive system. When a person is sick or exposed to a harmful bacteria the person digestive system becomes unbalanced. Probiotics fight off the invaders and restores the gut health preventing inflammation and infection. While they fight do fight off bad bacteria we can still end up sick from food borne illnesses. Therefore, Option three explains the main idea and role of probiotics in our body.

Describe two ways that wood could be used in such a way that prevents change to the amount of carbon in the atmosphere

Answers

Woods can be used to reduce amount of carbon in atmosphere by using wood burner and avoid open wood fire.

What is air pollution?

Air pollution is defined as the release of unhealthy substances such as carbon monoxide and excess carbondioxide into the air which affects the health of human beings.

To avoid the release of carbon while using wood,

wood burners should be used; and

open air burning of wood should be avoided.

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Suppose each month’s average temperature increased by 4°C. How long would the new growing season be?​

Answers

Answer:

A world in which warming reaches 4°C above preindustrial levels, would be one of unprecedented heat waves, severe drought, and major floods in many regions, with serious impacts on human systems, ecosystems, and associated services.

name the process that can turn loose sediment into a hard sedimentary rock

will mark as branliest

Answers

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Lithification: The conversion of loose sediment into solid sedimentary rock.

Answer:

Lithification

Explanation:

It refers to the process that loose and underconsolidated Sediment particles transform into hard and solid rocks.

Fossil fuels cannot be used for energy unless they are _

Answers

Answer:

You can burn fossil fuels to produce heat energy, and use them to power your engine.

BRAINLIEST FOR WHOEVER CAN ANSWER!! Match the vocabulary term to its correct example.

Answers

Answer: Direct = Coffe Indirect = sightseeing Ethical= photosynthesis

Answer:

Direct service - coffee

Indirect service - photosynthesis

Ethical/ Aesthetic pleasure - sightseeing

Which of the following is a safety consideration when hunting wild turkey? А Use a rooster call, avoid using a hen call B Use a hen call, avoid using a rooster call C Mark your hunting area with camouflage netting D If hunting with another person, place decoys between you and the other hunter​

Answers

The following is a safety consideration when hunting wild turkey is  Use a rooster call, avoid using a hen call.

Will Turkey Hunting What should you do if you see another hunter nearby?

If you do see another hunter, don't move. Stay perfectly still, and either speak to the hunter in a normal voice or call out loudly if the hunter is farther out.

Make absolutely sure that the hunter knows you're there before you move. If you use camouflage, cover your entire body, contain your face.

Thus, option "A" is correct,  Use a rooster call, avoid using a hen call.

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Answer:

А Use a rooster call, avoid using a hen call 

Explanation:

I took the module exam

Which rabbit fur color do you think will survive in each environment and why?

Answers

White bc it’s winter
please describe the question better

Is this correct? (Check image)

QUESTION:
what is genetic drift?

How do cats become feral?

Answers

Answer:

Genetic Drift Is: variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce. How Cats Become Feral: Over time, a stray cat can become feral as her contact with humans dwindles. A stray cat may be socialized enough to allow people to touch her, but she will become less socialized—or even feral—if she spends too much time without positive interaction with humans.

What is the term for the remains, imprints, or traces of living things from a previous geological age?(1 point) sedimentary rocks sedimentary rocks strata strata radioactive decay radioactive decay fossils

please help.

Answers

Answer:

the answer is fossils

Explanation:

hope this helps

Which item rotates in a magnetic field as an electric motor produces kinetic energy?'

Answers

a loop of wire ‎ ‎ ‎ ‎ ‎ ‎ ‎ ‎

Which type of electromagnetic radiation enters the greenhouse?

Answers

Explanation:

greenhouse's glass enclosure allows visible light to enter and be absorbed by the plants and soil. The plants and soil then emit the absorbed heat energy as infrared radiation.

mark me branlist

Please someone help me with questions 7 and 8 I got both of them wrong

Answers

Answer:

7 B

8 D

Explanation:

Oxygen is the final electron acceptor, thus it accepts electrons at the end of electron transport chain (and turns into water when combined with hydrogen).

Molecules such as glucose (which contains carbons) contain energy and are broken down in cellular respiration. This releases Carbon in the form of Carbon Dioxide. We know from our experience that we release Carbon dioxide by exhaling.

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