Module 2 Exam Review
Question 1
Question
True or False: Metabolism is a controlled set of biochemical reactions that occur in living
organisms in order to maintain life.
Choices
A. True
B. False
Correct Answer
True
Explanation
Metabolism includes all biochemical reactions required for:
● energy production
● biosynthesis
● maintenance of life
Question 2
Question
True or False: Enzymes are polysaccharides that catalyze chemical reactions.
Choices
A. True
B. False
Correct Answer
False
Explanation
, Enzymes are proteins, not polysaccharides.
Question 3
Question
What is the term for metal ions that assist enzymes during the catalysis reaction?
Correct Answer
Cofactors
Explanation
Cofactors:
● usually metal ions
● assist enzyme catalytic activity
Examples:
Mg²⁺
Zn²⁺
Fe²⁺
Question 4
Question
Define catabolism.
Correct Answer
Catabolism is the process of breaking down larger molecules into useful energy sources.
Explanation
Catabolism:
large molecules → smaller molecules + energy release
Example:
proteins → amino acids
Question 1
Question
True or False: Metabolism is a controlled set of biochemical reactions that occur in living
organisms in order to maintain life.
Choices
A. True
B. False
Correct Answer
True
Explanation
Metabolism includes all biochemical reactions required for:
● energy production
● biosynthesis
● maintenance of life
Question 2
Question
True or False: Enzymes are polysaccharides that catalyze chemical reactions.
Choices
A. True
B. False
Correct Answer
False
Explanation
, Enzymes are proteins, not polysaccharides.
Question 3
Question
What is the term for metal ions that assist enzymes during the catalysis reaction?
Correct Answer
Cofactors
Explanation
Cofactors:
● usually metal ions
● assist enzyme catalytic activity
Examples:
Mg²⁺
Zn²⁺
Fe²⁺
Question 4
Question
Define catabolism.
Correct Answer
Catabolism is the process of breaking down larger molecules into useful energy sources.
Explanation
Catabolism:
large molecules → smaller molecules + energy release
Example:
proteins → amino acids
