Catabolism Anatomy Quiz: Trivia Exam!

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| By Justice Candice

Justice Candice

Community Contributor

Quizzes Created: 2 | Total Attempts: 36,642

Questions: 12 | Attempts: 829 | Updated: Mar 21, 2023

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Questions and Answers

1.

Catabolism is metabolic processes that break down larger molecules into smaller ones.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Catabolism refers to the metabolic processes that involve the breakdown of larger molecules into smaller ones. This process releases energy and is essential for the body to obtain nutrients and generate energy. Therefore, the statement "Catabolism is metabolic processes that break down larger molecules into smaller ones" is true.

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2.

An example of catabolism is ____________.
- A.
  
  Dehydration synthesis
- B.
  
  Carbohydrate storage
- C.
  
  Hydrolysis
Correct Answer
C. Hydrolysis

Explanation
Catabolism refers to the breakdown of complex molecules into simpler ones, usually accompanied by the release of energy. Hydrolysis specifically involves the breaking of a chemical bond using water, resulting in the separation of the original molecule into two or more smaller molecules. This process is a prime example of catabolism as it breaks down larger molecules into smaller ones through the addition of water molecules. Dehydration synthesis, on the other hand, is the opposite process where smaller molecules are combined to form larger ones by removing water molecules. Carbohydrate storage does not involve the breakdown of molecules and is not an example of catabolism.

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3.

Hydrolysis decomposes carbohydrates, lipids, and _______.
- A.
  
  Salts
- B.
  
  Proteins
- C.
  
  Sugar
Correct Answer
B. Proteins

Explanation
Hydrolysis is a chemical reaction that breaks down molecules by adding water. It is known to decompose carbohydrates, lipids, and proteins. Therefore, the correct answer is proteins.

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4.

A ________ molecule is used to split these substances.
- A.
  
  Fat
- B.
  
  Sugar
- C.
  
  Water
- D.
  
  Salt
Correct Answer
C. Water

Explanation
Water is a polar molecule, meaning it has a slightly positive end and a slightly negative end. This polarity allows water to attract and surround other polar molecules, such as sugar and salt, breaking them apart. In the case of fat, which is nonpolar, water is used to emulsify it by surrounding and dispersing the fat molecules. Therefore, water is used to split all these substances.

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1
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5.

During hydrolysis of a disaccharide, the bond between the simple sugars breaks, and the water molecule supplies a hydrogen atom to one sugar molecule and a hydroxyl group to the other.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
During hydrolysis of a disaccharide, the bond between the simple sugars breaks, and the water molecule supplies a hydrogen atom to one sugar molecule and a hydroxyl group to the other. This is true because hydrolysis is a chemical reaction in which a bond is broken by the addition of a water molecule. In the case of disaccharides, the bond between the two sugar molecules is broken, and the water molecule donates a hydrogen atom to one sugar molecule and a hydroxyl group to the other, resulting in the formation of two separate monosaccharides.

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6.

Hydrolysis is the reverse of dehydration synthesis.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Hydrolysis is a chemical reaction in which water is used to break down a compound into its individual components. Dehydration synthesis, on the other hand, is a reaction in which water is removed to join two smaller molecules together to form a larger one. Since hydrolysis is the reverse of dehydration synthesis, it means that the reaction that breaks down a compound into smaller components is the opposite of the reaction that joins smaller molecules together. Therefore, the given statement that hydrolysis is the reverse of dehydration synthesis is true.

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7.

Hydrolysis breaks down ________ into monosaccharides; fats into glycerol and fatty acids; and nucleic acids into nucleotides.
- A.
  
  Carbohydrates
- B.
  
  Salt
- C.
  
  Protein
Correct Answer
A. Carbohydrates

Explanation
Hydrolysis is a chemical process that uses water to break down larger molecules into smaller units. In the context of this question, hydrolysis breaks down carbohydrates into monosaccharides (simple sugars), fats into glycerol and fatty acids, and nucleic acids into nucleotides. This process is important for the digestion and absorption of these macromolecules in the body.

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8.

Hydrolysis requires specific enzymes.
- A.
  
  True
- B.
  
  False
Correct Answer
A. True

Explanation
Hydrolysis is a chemical process that involves breaking down molecules by adding water. This process is facilitated by specific enzymes called hydrolases, which catalyze the reaction. Without these enzymes, hydrolysis reactions would occur at a much slower rate or may not occur at all. Therefore, it is true that hydrolysis requires specific enzymes to take place efficiently.

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9.

The reactions of metabolism are not reversible.
- A.
  
  True
- B.
  
  False
Correct Answer
B. False

Explanation
The reactions of metabolism are reversible. This is because metabolic reactions involve a series of chemical reactions that can be both catabolic (breaking down molecules) and anabolic (building up molecules). These reactions can proceed in either direction depending on the cellular needs and the availability of substrates. Therefore, the statement that the reactions of metabolism are not reversible is false.

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10.

Catabolism goes from _______ molecules to ________ molecules.
- A.
  
  Smaller; larger
- B.
  
  Larger; smaller
Correct Answer
B. Larger; smaller

Explanation
Catabolism is a metabolic process that involves breaking down larger molecules into smaller ones. This process releases energy and helps to extract nutrients from the molecules. Therefore, the correct answer is "larger; smaller" because catabolism starts with larger molecules and breaks them down into smaller molecules.

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11.

Catabolistic reactions _________ energy.
- A.
  
  Absorb
- B.
  
  Delay
- C.
  
  Remove
- D.
  
  Release
Correct Answer
D. Release

Explanation
Catabolistic reactions involve the breakdown of complex molecules into simpler ones, resulting in the release of energy. Therefore, the correct answer is "release" as catabolistic reactions release energy.

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12.

Hydrolysis _____ water.
- A.
  
  Removes
- B.
  
  Adds
- C.
  
  Eliminates
Correct Answer
B. Adds

Explanation
Hydrolysis is a chemical reaction that involves the breaking of a compound using water. In this process, water molecules are added to the compound, causing it to break down into smaller molecules or ions. Therefore, the correct answer is "adds," as hydrolysis involves the addition of water.

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Current Version
Mar 21, 2023

Quiz Edited by
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Nov 02, 2008

Quiz Created by
Justice Candice

Catabolism Anatomy Quiz: Trivia Exam!

Catabolism is metabolic processes that break down larger molecules into smaller ones.

An example of catabolism is ____________.

Hydrolysis decomposes carbohydrates, lipids, and _______.

A ________ molecule is used to split these substances.

During hydrolysis of a disaccharide, the bond between the simple sugars breaks, and the water molecule supplies a hydrogen atom to one sugar molecule and a hydroxyl group to the other.

Hydrolysis is the reverse of dehydration synthesis.

Hydrolysis breaks down ________ into monosaccharides; fats into glycerol and fatty acids; and nucleic acids into nucleotides.

Hydrolysis requires specific enzymes.

The reactions of metabolism are not reversible.

Catabolism goes from _______ molecules to ________ molecules.

Catabolistic reactions _________ energy.

Hydrolysis _____ water.

Catabolism goes from _ molecules to __ molecules.