Most enzymes are proteins. Many cells make and use an enzyme called catalase to facilitate the decomposition of hydrogen peroxide (H2O2). The products of the decomposition are hydrogen (H2) and oxygen (O2). Stephanie is investigating the structure and function of catalase, and she is comparing catalase to other proteins. What can Stephanie predict will distinguish the structure of catalase from the structures of the other proteins she is studying? A. many regions made entirely of hydrogen and oxygen B. the chemical properties of the peptide bonds C. the types of amino acids it contains D. the sequence of amino acids it contains

Answers

Answer 1

Answer:

The correct answer is - B. the chemical properties of the peptide bonds.

Explanation:

The difference between the structures of catalase from other proteins depends on the chemical properties of the peptide bonds present in between the amino acids which decide the pH and temperature by their disruption. These bonds present between two alpha-amino acids when carboxyl of one amino acid interacts with the amino group of the other to form an amide-type covalent bond.


Related Questions

What does it mean if an organism is multicellular?

Answers

It has one or more cells. Example: Humans, Animals, or anything that’s living

PLEASE HELP ME!!!! :)
What similarities and differences do you notice among the two types of metabolic reactions (dehydration synthesis & hydrolysis)?

Answers

Answer:

In dehydration synthesis reactions, a water molecule is formed as a result of generating a covalent bond between two monomeric components in a larger polymer. In hydrolysis reactions, a water molecule is consumed as a result of breaking the covalent bond holding together two components of a polymer.

Explanation:

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Which of the following phrases describe the function of the digestive system?
l. Smooth, muscular tube connects the mouth to the stomach
ll. Muscular action in the esophagus pushed food to the stomach
lll. Structures called the microvilli to increase the surface area of the intestines
lV. Nutrients are made available to the body's cells

A. l and ll
B. ll and lll
C. ll and lV
D. lll and lV

Answers

Answer:

B. ll and lll

Explanation:

The question above is asking for the "function" of the Digestive System. Function refers to how the digestive system actually works.

I is not related to the function of the digestive system. It only describes the "esophagus."

II is called the "Peristalsis." This is one of the functions of the digestive system. This allows the food to move down the GI tract.

III is part of the process called "Segmentation." This is one of the functions of the digestive system. The increase surface area of the microvilli expands 25 times and this allows greater absorption of food.

IV is not related to the function of the digestive system.

What do bacteria have in common with the cells of other living organisms?

Answers

Answer:

Summary. Bacteria are like eukaryotic cells in that they have cytoplasm, ribosomes, and a plasma membrane. Features that distinguish a bacterial cell from a eukaryotic cell include the circular DNA of the nucleoid, the lack of membrane-bound organelles, the cell wall of peptidoglycan, and flagella.

The process of forming ATP is? A) Digestion. B) Cellular Respiration. C) Metabolism. D) nutrition.

Answers

Answer:

[tex]\boxed {\boxed {\sf B. \ Cellular \ respiration}}[/tex]

Explanation:

First, let's analyze each process.

A. Digestion

This is the process of breaking down food.

B. Cellular respiration

This is the process of converting glucose and oxygen to carbon dioxide, water, and ATP.

C. Metabolism

This isn't really a process. It's the collection of all the chemical reactions in the body to keep the body functioning.

D. Nutrition

This term also isn't a process. Nutrition involves food, nutrients, and health.

We are looking for the process that forms ATP. Therefore, the best answer choice is B. Cellular respiration

The process of forming ATP is Cellular Respiration. Therefore option B is correct.

The process of forming ATP (Adenosine Triphosphate) is primarily through Cellular Respiration.

ATP is the main energy currency in cells, providing the energy needed for various cellular activities.

Cellular respiration is a series of metabolic reactions that occur in the mitochondria of cells, where organic molecules (such as glucose) are broken down and oxidized to release energy.

This energy is used to synthesize ATP from ADP (Adenosine Diphosphate) and inorganic phosphate (Pi).

Through cellular respiration, cells efficiently convert the energy stored in food molecules into a readily usable form of energy (ATP).

Which powers essential cellular processes, including muscle contraction, active transport, and synthesis of macromolecules.

Therefore option B Cellular Respiration is correct.

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Food is moved through the esophagus into the stomach by
involuntary muscle contractions called?

Answers

Answer:

peristalsis

Explanation:

when food contracts down the esophagus

Answer:

peristalsis

Explanation:

answer.
1
A DNA nucleotide consists of three smaller units.
Which type of biomolecule represents one of these
smaller units?
A Carbohydrate
B Lipid
C Protein
D Nucleic acid

Answers

Answer: Carbohydrate

Explanation: You may be familiar with the sugar-phosphate backbone, which just serves as structural framework for the DNA strand. Phosphate sugars are carbohydrates that link to phosphates and nitrogenous bases to create a helix.

how does the temperature change with altitude in the troposphere?

Answers

Answer:

The troposphere is heated from the ground, so temperature decreases with altitude. Because warm air rises and cool air sinks, the troposphere is unstable. In the stratosphere, temperature increases with altitude.

Explanation:

DNA is to T as RNA is to ?

Answers

Answer:

U (Uracil)

Explanation:

DNA is to Thymine

RNA is to Uracil

Please help me need this before 9:00 and please use your own word not from google
Hydrogen bonds are important because

Answers

Answer:

Explanation:

Hydrogen bonding reduces extreme temperature shifts near large bodies of water.

Hydrogen bonding allows animals to cool themselves using perspiration because such a large amount of heat is needed to...

Hydrogen bonding keeps water in its liquid state over a wider temperature range than for any other comparable-sized...

Is the fossil record complete for humans? Explain your answer.

Answers

answer: no
explanation: i believe the answer is no because you can never have a completely complete fossil record, due to evolution, so things are always changing. for human fossils, we have very few that we have uncovered, meaning that it is very much incomplete.

A botanist has recently developed an enzyme called NoGro. This enzyme acts as an

herbicide by preventing cell growth in the leaves of a certain species of tree that is an

invasive plant species in Florida. The botanist wants to test the effects of temperature

on NoGro so that NoGro can be applied to the invasive tree under optimal

conditions on Florida farms. After looking into the background of the study, you

discover that the botanist performing this investigation is being paid by a company

that will make a lot of money if NoGro proves to be useful at eradicating the invasive

tree. How might this affect your view of the research in this experiment?

Answers

Answer:

results could be biased and therefore they are not reliable

Explanation:

A conflict of interest is generated when the authors of a given study have any type of interest that could influence their judgments, results and/or conclusions. These conflicts of interest include any relevant financial relationships, personal, religious, political or intellectual interests. To solve this situation, peer-reviewed, well-reputed journals generally include a conflict of interest statement where authors declare all interests that might be perceived as conflicting.

How do Limiting factors affect biotic potential? Please hurry and help me

Answers

Biotic factors that a population needs include food availability. Abiotic factors may include space, water, and climate. The carrying capacity of an environment is reached when the number of births equal the number of deaths. A limiting factor determines the carrying capacity for a species.

What does oxygen do in cellular respiration?

Answers

Answer:

Your body cells use the oxygen you breathe to get energy from the food you eat. This process is called cellular respiration. During cellular respiration the cell uses oxygen to break down sugar. Breaking down sugar produces the energy your body needs.

Which statement illustrates bias in scientific research?(1 point)

A. A microbiologist publishes data funded by the National Institutes of Health that does not support their original hypothesis.

B. A botanist publishes data about plant growth that does not support their original hypothesis and is replicable.

C. An ecologist publishes data funded by a construction company which supports their original hypothesis that an endangered animal's territory is not endangered.

D. A zoologist publishes incomplete data on sloths which supports their original hypothesis and notes that more research is required.

Answers

Answer:

D

Explanation:

The statement that illustrates bias in scientific research is an ecologist publishes data funded by a construction company that supports their original hypothesis that endangered animal's territory is not endangered (option C)

In scientific research, bias can occur when the results or processes are manipulated on purpose. This usually occurs if:

The researcher wants the hypothesis to match the resultsThe researcher or sponsor has an economic interest

Scientific research occurs in situation B because it is convenient for the construction company to show that endangered animal's territory is not endangered as this would allow the company to build in certain areas and therefore, they are likely to manipulate the results of this research.

According to this, option B shows scientific bias. On the other hand, other options do not show bias because in these the results do not seem to be manipulated.

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What are some characteristics that protists and fungi both have that make them eukaryotes?

Answers

Answer:

They have a nucleus and other membrane bound organelles.

Explanation:

hoped this helped :)

The characteristics that protists and fungi both have that make them eukaryotes is the possession of a membrane bound nucleus and other organelles.

EUKARYOTES:

Eukaryotic cells are cells that possess a membrane-bound nucleus to house their genetic material (DNA). Eukaryotes also possess other membrane bound organelles like mitochondria, golgi apparatus etc.

This feature particularly differentiates them from prokaryotic cells. Eukaryotic organisms include plants, animals, fungi, some protists etc.

Therefore, it can be said that the possession of a membrane bound nucleus and other organelles is the characteristics that makes fungi and protists be considered eukaryotes.

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Which of the following is found in animal cells, but not plant cells?
lysosome
vacuole
mitochondria
endoplasmic reticulum

Answers

Lysosome is found in animal but not plant

Does passive transport involve an expenditure of much energy? Why or why not?

Answers

Passive transport does not require energy input. An example of passive transport is diffusion, the movement of molecules from an area of high concentration to an area of low concentration. Carrier proteins and channel proteins are involved in facilitated diffusion.

How can forces be used to predict the movement of objects?
Think in terms of objects experiencing forces in opposite directions.

Answers

Answer:

Explanation:

The motion of an object is determined by the sun of the forces acting on it. If the total force on the object is not at zero then it’s motion will change.

Can someone answer this thanks

Answers

Answer:

Plan evacuation routes to higher ground.

Answer:

The answer is 3

Explanation:


An air mass takes on temperature and moisture characteristics of the land
or water beneath it. What kind of air mass forms over tropical waters that
have been heated by the sun?
A) cool and moist
B) hot and very dry
C) warm and moist
D) cold and dry
I need this today please help

Answers

Answer:

I'm pretty sure its c

Explanation:

Warm and moist kind of air mass forms over tropical waters that have been heated by the sun. Hence option C is correct.

What are topical waters?

Topical waters are defined as water between the Tropic of Cancer (23.5° North latitude) and the Tropic of Capricorn (23.5° South latitude). In the Köppen climatic classification, a tropical climate is one in which the average monthly temperature is over 18°C. There is no winter season and there is more annual rainfall than annual evaporation.

A good illustration of this kind of fish is the goldfish. On the other hand, "tropical" or "warm water" fish require a water temperature that is optimal for their comfort and health. Although different species of fish have varying needs, tropical fish generally demand water that is between 76 and 80 degrees Fahrenheit (25 and 27 degrees Celsius).


Thus, warm and moist kind of air mass forms over tropical waters that have been heated by the sun. Hence option C is correct.

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Identify one organism, one population, and one community

Answers

Answer:

The study of organisms, populations and communities examines how organisms interact with each other and their environment at individual, population and community levels. To characterize these interactions, NEON quantifies and observes interactions among multiple organisms and their environments. By sampling a variety of organisms in aquatic and terrestrial systems, NEON provides data on individual traits, population dynamics and the composition of communities. Integrated with other data collected across NEON sites, the project produces data in the areas of biodiversity, infectious diseases and invasive species.

Recovering Ecosystems Worksheet Section 1: Select the Kitakami River region, the Abukuma Highlands, or Japan's coastal habitat as the ecosystem you want to help with recovery. List the main problem faced by this ecosystem as described in the lesson. Then list at least two sub-problems that need to be considered to solve the main problem. List the sub-problems in order of most to least important. In the rationale column, explain why you placed your sub-problems in the order you selected. Main Problem Sub-Problems Rationale Section 2: Conduct internet research on your selected ecosystem to help you generate a list of three criteria and two constraints. Your criteria and constraints should consider relevant factors to the problem, such as costs, reliability, safety (to humans and wildlife), human needs, environmental impact, local biodiversity, and the aesthetics of the area. List the criteria in order of most to least important and assign each to a related sub-problem. In the rationale column, explain why you placed your criteria in the order you selected. Constraints Criteria Rationale Which Sub-Problems does this criteria address? Section 3: For at least one of the sub-problems, propose two solutions based on the information from the lesson and your additional research. In the rationale column, explain how your solution restores the stability and biodiversity of your selected ecosystem. Sub-Problem Proposed Solutions Rationale Section 4: Answer the following analysis questions about your proposed solutions. Describe the ways your proposed solutions decrease the negative effects of habitat destruction and human activity on your selected ecosystem. Describe the costs, safety, and reliability of your proposed solutions, as well as any social, cultural, and environmental impacts your solutions address. Evaluate your proposed solutions for their impact on overall environmental stability and changes. Which solution has more impact? Explain your reasoning for picking one solution over another. How could you refine one of your proposed solutions to further reduce environmental impact and loss of biodiversity while also addressing human needs?

Answers

Answer:

the screen shot is the answers when you select kitakami River region

Explanation:

sorry this isn't the full answer this is all have myself at the moment.

Answer:

Explanation:

the links are images of the answers

1
10
TIME REMAINING
01:53:12
Which statement describes what will most likely occur when warm air cools and the temperature drops to the dew
point?
Air will become more humid.
• Solid ice will form on leaves
Cumulus clouds will disappear.
Water vapor in the air will evaporate.

Answers

Answer:

Air will become more humid

Explanation:

due to the cooling of the air

Answer:

air will become more humid

Explanation:

If you saw a bacteria cell without a tail, where could they live where they don’t need a tail?

Answers

Answer: how would i see a bacteria cell

Explanation:

which of the following is not a difference between DNA and RNA ?
Group of answer choices

they have different phosphate groups in their backbones

They have different sugars in their backbones

DNA is a double strand and RNA is a single strand

RNA replaces thymine with uricel

Answers

Answer:

I believe the answer is:

They both have different phosphate groups in their backbones

Option A is correct. DNA and RNA have the same phosphate groups in their backbones.

DNA is deoxyribonucleic acid. DNA contains deoxyribose sugar. DNA  is usually found in double strands. In DNA thymine is present.

RNA is ribonucleic acid. RNA contains ribose sugar. RNA is usually found in single strands. In RNA thymine is replaced by Uracil.

Nucleic acid is made up of phosphate group, ribose sugar, and nitrogenous bases.

Hence, options B, C, and D are incorrect.

Therefore, Option A is correct. DNA and RNA have the same phosphate groups in their backbones.

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a paragraph about proof

Answers

Answer:

Paragraph proof format

The paragraph proof is a proof written in the form of a paragraph. In other words, it is a logical argument written as a paragraph, giving evidence and details to arrive at a conclusion.

Help with these two please

Answers

In order to answer I believe we need to see what person 15 is, if there is a image above or something, that’s the only way I can think of

All of the following can interfere with the breakdown of organic waste material in the soil except:
A
minerals
N
B
solvents
С
plastics
D
pesticides

Answers

Answer: A. Minerals

Explanation:

(i’m sorry this is so late)

All of the following can interfere with the breakdown of organic waste material in the soil except minerals. Thus, option A is correct.

What are minerals?

There has been different kinds of the minerals. A mineral has been simply defined as any pure substance that has known to have the unique composition as well as structure. A rock has been simply known to be the combination or the mix up of the lot of different minerals and may sometimes include only one type of mineral.

It has been formed as the residual result from the parent material that had been undergone prolonged weathering the process. This part of the soil would be determine which has type of the plants has been capable in the absorbing the nutrient in that area and which plants that don't.

Therefore, All of the following can interfere with the breakdown of organic waste material in the soil except minerals. Thus, option A is correct.

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What is the function of the valves in the lymphatic vessels?

Answers

Answer:

1. pick up any fluid that has escaped the blood vessels

2. return the escaped fluid to the heart

3. remove any foreign material from the lymph

Explanation:

Lymph vessels pick up any fluid that has escaped the blood vessels and return it to the heart. Lymph nodes remove any foreign material from the lymph (bacteria, viruses, tumors) and contain lymphocytes (WBC!!!)

The function of the valves is to bring the expelled fluid back to the heart.

Each and every fluid that had already exited the blood arteries is collected by lymphatic vessels as well as returned towards the heart. Lymph nodules filter out foreign particles from either the lymph as well as house lymphocytes.

Gather each and every fluid that had already leaked from the blood vessels.Start by removing anything foreign materials from the lymphatic system.

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