Question 1

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. 
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.

Question 2

Codons are three contiguous mRNA bases

Accepted Answer

A) True 
 B)False

Question 3

Mutagens are factors that cause mutation.

Accepted Answer

A) True 
 B)False

Question 4

A molecule that is a storage form of carbohydrate is

Accepted Answer

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

Question 5

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. 
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.

Question 6

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

Accepted Answer

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

Question 7

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 required 
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 required

Question 8

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 9

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. 
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.

Question 10

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. 
A) a tRNA and an mRNA. 
B) adjacent amino acids. 
C) an mRNA and an rRNA. 
D) a gene and a protein.

Question 11

Three types of RNA participate in protein synthesis.

Accepted Answer

A) True 
 B)False

Question 12

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 13

The enzyme catalase acts on the substrate

Accepted Answer

A) oxygen. 
B) hydrogen. 
C) hydrogen peroxide. 
D) peroxidase. 
A) oxygen. 
B) hydrogen. 
C) hydrogen peroxide. 
D) peroxidase.

Question 14

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

Accepted Answer

A) True 
 B)False

Question 15

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. 
A) glucose. 
B) pyruvic acid. 
C) acetyl coenzyme A 
D) glycogen.

Question 16

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. 
A) when a cell requires energy. 
B) outside of the nucleus. 
C) during interphase of the cell cycle. 
D) during mitosis.

Question 17

A substance that causes a mutation is called a __________.

Accepted Answer

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

Question 18

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. 
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.

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

Anabolic metabolism refers to

Codons are three contiguous mRNA bases

Mutagens are factors that cause mutation.

A molecule that is a storage form of carbohydrate is

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

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

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

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

A chaperone protein

A peptide bond forms between

Three types of RNA participate in protein synthesis.

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

The enzyme catalase acts on the substrate

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

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

DNA replication occurs

A substance that causes a mutation is called a __________.

Which of the following is an example of catabolism?

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

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

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

Filters

Adenine and guanine are __ and cytosine and thymine are .

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

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