Question 1

Mutagens are factors that cause mutation.

Accepted Answer

A) True 
 B)False

Question 2

Adenine and guanine are ________ and cytosine and thymine are ______.

Accepted Answer

The answer of Adenine and guanine are ________ and cytosine...

Question 3

The enzyme catalase acts on the substrate

Accepted Answer

A)  oxygen.
B)  hydrogen.
C)  hydrogen peroxide.
D)  peroxidase.E) A) and C)
F) A) and B)

Question 4

A chaperone protein

Accepted Answer

A)  brings amino acids to the appropriate tRNAs.
B)  brings a tRNA to the appropriate codon on mRNA.
C)  helps a protein to fold.
D)  attracts ATP.E) A) and C)
F) C) and D)

Question 5

DNA replication occurs

Accepted Answer

A)  when a cell requires energy.
B)  outside of the nucleus.
C)  during interphase of the cell cycle.
D)  during mitosis.E) B) and C)
F) None of the above

Question 6

A peptide bond forms between

Accepted Answer

A)  a tRNA and an mRNA.
B)  adjacent amino acids.
C)  an mRNA and an rRNA.
D)  a gene and a protein.E) B) and D)
F) None of the above

Question 7

Anabolic metabolism refers to

Accepted Answer

A)  biochemical reactions that synthesize compounds.
B)  all processes required to maintain life.
C)  biochemical reactions that break down compounds.
D)  biochemical reactions that release energy from nutrients.E) B) and C)
F) All of the above

Question 8

Three types of RNA participate in protein synthesis.

Accepted Answer

A) True 
 B)False

Question 9

Codons are three contiguous mRNA bases

Accepted Answer

A) True 
 B)False

Question 10

During the anaerobic reactions of cellular respiration,pyruvic acid reacts to form glucose.

Accepted Answer

A) True 
 B)False

Question 11

Anaerobic and aerobic respiration begin with _______,in which glucose is broken down.

Accepted Answer

The answer of Anaerobic and aerobic respiration begin with _______,in...

Question 12

A substance that causes a mutation is called a __________.

Accepted Answer

The answer of A substance that causes a mutation is...

Question 13

Which of the following best describes the interaction between an enzyme and its substrate?

Accepted Answer

A)  The enzyme surrounds and completely contains the substrate.
B)  The substrate surrounds and completely contains the enzyme.
C)  The enzyme temporarily deactivates the substrate.
D)  Part of the enzyme temporarily binds part of the substrate molecule.E) B) and D)
F) All of the above

Question 14

Which of the following is an example of catabolism?

Accepted Answer

A)  The assembly of the cell membrane from precursor molecules.
B)  The increase in muscle tissue with exercise.
C)  The formation of secretory proteins in the pancreas.
D)  The breakdown of glucose in the cytoplasm and mitochondria.E) A) and C)
F) B) and C)

Question 15

The anaerobic reactions of cellular respiration occur in the _____,whereas the aerobic reactions of cellular respiration occur in the ______.

Accepted Answer

A)  mitochondria with O2 required;cytoplasm with O2 required
B)  cytoplasm without O2 required;cytoplasm with CO2 required
C)  mitochondria without O2 required;mitochondria with O2 required
D)  cytoplasm without O2 required;mitochondria with O2 requiredE) None of the above
F) B) and C)

Question 16

If the DNA triplet ACA mutates to GCA,then the encoded amino acid changes from _____ to _____.

Accepted Answer

The answer of If the DNA triplet ACA mutates to...

Question 17

A molecule that is a storage form of carbohydrate is

Accepted Answer

A)  glycogen.
B)  glycerol.
C)  DNA.
D)  an amino aciD.E) A) and B)
F) C) and D)

Question 18

A molecule that is common to carbohydrate and lipid metabolic pathways and connects these two pathways metabolically is

Accepted Answer

A)  glucose.
B)  pyruvic acid.
C)  acetyl coenzyme A
D)  glycogen.E) A) and B)
F) All of the above

Question 19

A DNA molecule is a double helix in which A pairs with C and T pairs with G.

Accepted Answer

A) True 
 B)False

Question 20

A metabolic pathway is a particular sequence of enzyme-controlled reactions.

Accepted Answer

A) True 
 B)False

Exam 4: Cellular Metabolism

Which of the following is an example of catabolism?

Correct AnswerverifiedShow Answer

A substance that causes a mutation is called a __________.

Correct AnswerverifiedShow Answer

If the DNA triplet ACA mutates to GCA,then the encoded amino acid changes from _____ to _____.

Correct AnswerverifiedShow Answer

Anaerobic and aerobic respiration begin with _______,in which glucose is broken down.

Correct AnswerverifiedShow Answer

Codons are three contiguous mRNA bases

Correct AnswerverifiedShow Answer

A molecule that is common to carbohydrate and lipid metabolic pathways and connects these two pathways metabolically is

Correct AnswerverifiedShow Answer

A metabolic pathway is a particular sequence of enzyme-controlled reactions.

Correct AnswerverifiedShow Answer

A chaperone protein

Correct AnswerverifiedShow Answer

A molecule that is a storage form of carbohydrate is

Correct AnswerverifiedShow Answer

A DNA molecule is a double helix in which A pairs with C and T pairs with G.

Correct AnswerverifiedShow Answer

DNA replication occurs

Correct AnswerverifiedShow Answer

A peptide bond forms between

Correct AnswerverifiedShow Answer

Three types of RNA participate in protein synthesis.

Correct AnswerverifiedShow Answer

Adenine and guanine are ________ and cytosine and thymine are ______.

Correct AnswerverifiedShow Answer

The anaerobic reactions of cellular respiration occur in the _____,whereas the aerobic reactions of cellular respiration occur in the ______.

Correct AnswerverifiedShow Answer

Mutagens are factors that cause mutation.

Correct AnswerverifiedShow Answer

Anabolic metabolism refers to

Correct AnswerverifiedShow Answer

Which of the following best describes the interaction between an enzyme and its substrate?

Correct AnswerverifiedShow Answer

The enzyme catalase acts on the substrate

Correct AnswerverifiedShow Answer

During the anaerobic reactions of cellular respiration,pyruvic acid reacts to form glucose.

Correct AnswerverifiedShow Answer

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If the DNA triplet ACA mutates to GCA,then the encoded amino acid changes from _ to _.

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Adenine and guanine are __ and cytosine and thymine are .

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The anaerobic reactions of cellular respiration occur in the _,whereas the aerobic reactions of cellular respiration occur in the __.

Correct Answer
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