Question 1

All of the genetic information in a cell is a genome.

Accepted Answer

A) True 
 B)False

Question 2

Proteins are critical to metabolism because all proteins are enzymes.

Accepted Answer

A) True 
 B)False

Question 3

When a sucrose molecule is decomposed to yield a glucose molecule and a fructose molecule,

Accepted Answer

A) dehydration synthesis occurs. 
B) a water molecule is released. 
C) a water molecule is used. 
D) starch is consumeD. 
A) dehydration synthesis occurs. 
B) a water molecule is released. 
C) a water molecule is used. 
D) starch is consumeD.

Question 4

Copying DNA information into an mRNA molecule is called

Accepted Answer

A) translation. 
B) synthesis. 
C) replication. 
D) transcription. 
A) translation. 
B) synthesis. 
C) replication. 
D) transcription.

Question 5

A DNA sequence AACGGTGCACCACGG encodes an mRNA of sequence

Accepted Answer

A) AACGGUGCACCACGG. 
B) UUGCCACGUGGUGCC. 
C) AACGGTGCACCACGG. 
D) UUCGGAGCUCCUCGG. 
A) AACGGUGCACCACGG. 
B) UUGCCACGUGGUGCC. 
C) AACGGTGCACCACGG. 
D) UUCGGAGCUCCUCGG.

Question 6

Catabolism refers to

Accepted Answer

A) chemical reactions that acquire energy. 
B) chemical reactions that release energy. 
C) synthesis of large molecules. 
D) the formation of genetic material. 
A) chemical reactions that acquire energy. 
B) chemical reactions that release energy. 
C) synthesis of large molecules. 
D) the formation of genetic material.

Question 7

Humans require vitamins in their diets because these nutrients

Accepted Answer

A) provide energy. 
B) are broken down by catabolic reactions. 
C) bond with minerals. 
D) act as coenzymes. 
A) provide energy. 
B) are broken down by catabolic reactions. 
C) bond with minerals. 
D) act as coenzymes.

Question 8

The electron transport chain is a series of enzyme complexes that pass electrons,releasing energy that is used to phosphorylate ADP to ATP on the inner mitochondrial membrane.

Accepted Answer

A) True 
 B)False

Question 9

In the DNA damage response

Accepted Answer

A) repair enzymes replace mismatched nucleotides in DNA. 
B) repair enzymes replace mismatched nucleotides in RNA. 
C) repair enzymes replace mismatched amino acids in protein. 
D) more than one codon encodes one type of amino aciD. 
A) repair enzymes replace mismatched nucleotides in DNA. 
B) repair enzymes replace mismatched nucleotides in RNA. 
C) repair enzymes replace mismatched amino acids in protein. 
D) more than one codon encodes one type of amino aciD.

Question 10

Releasing the energy in glucose molecules is an example of catabolism.

Accepted Answer

A) True 
 B)False

Question 11

A mutation can cause disease if

Accepted Answer

A) the DNA sequence does not change. 
B) the DNA sequence changes so that one amino acid is substituted for another in a way that affects the encoded protein's functioning. 
C) the DNA sequence changes so that one amino acid is substituted for another in a way that does not alter the encoded protein's functioning. 
D) it attracts mutagens. 
A) the DNA sequence does not change. 
B) the DNA sequence changes so that one amino acid is substituted for another in a way that affects the encoded protein's functioning. 
C) the DNA sequence changes so that one amino acid is substituted for another in a way that does not alter the encoded protein's functioning. 
D) it attracts mutagens.

Question 12

The correspondence between a unit of DNA information and an amino acid is the genetic ______.

Accepted Answer

The answer of The correspondence between a unit of DNA...

Question 13

An active site is the part of a substrate molecule that binds an enzyme.

Accepted Answer

A) True 
 B)False

Question 14

Transcription and translation differ in that

Accepted Answer

A) transcription produces DNA and translation produces RNA. 
B) transcription produces RNA and translation produces DNA. 
C) transcription produces protein and translation produces RNA. 
D) transcription produces RNA and translation produces protein. 
A) transcription produces DNA and translation produces RNA. 
B) transcription produces RNA and translation produces DNA. 
C) transcription produces protein and translation produces RNA. 
D) transcription produces RNA and translation produces protein.

Question 15

The basic steps of an enzyme-catalyzed reaction are:

Accepted Answer

A) substrate and product combine,forming an S-P complex.The reaction occurs,enzymes are released,and the unchanged substrate is released and recycled. 
B) substrate and enzyme combine,forming an E-S complex.The reaction occurs,products are released,and the unchanged enzyme is released and recycled. 
C) substrate,enzyme,and product combine,forming an S-E-P complex.The reaction occurs,enzymes are released,and the unchanged enzyme is released and recycled. 
D) enzyme and product combine,forming an E-P complex.The reaction reverses,enzymes are released,and the unchanged substrate is released and recycleD. 
A) substrate and product combine,forming an S-P complex.The reaction occurs,enzymes are released,and the unchanged substrate is released and recycled. 
B) substrate and enzyme combine,forming an E-S complex.The reaction occurs,products are released,and the unchanged enzyme is released and recycled. 
C) substrate,enzyme,and product combine,forming an S-E-P complex.The reaction occurs,enzymes are released,and the unchanged enzyme is released and recycled. 
D) enzyme and product combine,forming an E-P complex.The reaction reverses,enzymes are released,and the unchanged substrate is released and recycleD.

Question 16

A molecule that carries energy in a form the cell can use is

Accepted Answer

A) glucose. 
B) glycogen. 
C) vitamin C 
D) ATP. 
A) glucose. 
B) glycogen. 
C) vitamin C 
D) ATP.

Question 17

The molecule that an enzyme affects is its _________.

Accepted Answer

The answer of The molecule that an enzyme affects is...

Question 18

The genetic code is

Accepted Answer

A) the correspondence between a sequence of three DNA nucleotides and a specific amino acid. 
B) the correspondence between a DNA nucleotide and an RNA nucleotide. 
C) the correspondence between a gene and a genome. 
D) the correspondence between a specific amino acid and a specific gene. 
A) the correspondence between a sequence of three DNA nucleotides and a specific amino acid. 
B) the correspondence between a DNA nucleotide and an RNA nucleotide. 
C) the correspondence between a gene and a genome. 
D) the correspondence between a specific amino acid and a specific gene.

Question 19

The portion of a DNA molecule that contains the genetic information for making a protein is called a gene.

Accepted Answer

A) True 
 B)False

Question 20

Oxidation of glucose is important because it releases energy.

Accepted Answer

A) True 
 B)False

Exam 4: Cellular Metabolism

All of the genetic information in a cell is a genome.

Proteins are critical to metabolism because all proteins are enzymes.

When a sucrose molecule is decomposed to yield a glucose molecule and a fructose molecule,

Copying DNA information into an mRNA molecule is called

A DNA sequence AACGGTGCACCACGG encodes an mRNA of sequence

Catabolism refers to

Humans require vitamins in their diets because these nutrients

The electron transport chain is a series of enzyme complexes that pass electrons,releasing energy that is used to phosphorylate ADP to ATP on the inner mitochondrial membrane.

In the DNA damage response

Releasing the energy in glucose molecules is an example of catabolism.

A mutation can cause disease if

The correspondence between a unit of DNA information and an amino acid is the genetic ______.

An active site is the part of a substrate molecule that binds an enzyme.

Transcription and translation differ in that

The basic steps of an enzyme-catalyzed reaction are:

A molecule that carries energy in a form the cell can use is

The molecule that an enzyme affects is its _________.

The genetic code is

The portion of a DNA molecule that contains the genetic information for making a protein is called a gene.

Oxidation of glucose is important because it releases energy.

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Tissues

Skin and the Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I

Nervous System II

Nervous System III

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

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