Question 1

The aerobic reactions of cellular respiration occur in the mitochondria.

Accepted Answer

A) True 
 B)False  True

Question 2

If you eat too many carbohydrates, they can be stored as fat.

Accepted Answer

A) True 
 B)False  True

Question 3

In the citric acid cycle,

Accepted Answer

A)  carbon dioxide is released. 
B)  oxygen atoms are released. 
C)  4 ATP molecules are formed. 
D)  hydrocholoric acid is released. 
A)  carbon dioxide is released. 
B)  oxygen atoms are released. 
C)  4 ATP molecules are formed. 
D)  hydrocholoric acid is released. A

Question 4

A single nucleotide polymorphism is a very rare genetic variant that affects health.

Accepted Answer

A) True 
 B)False

Question 5

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 6

Which of the nitrogenous bases is part of DNA but not RNA?

Accepted Answer

A)  Uracil 
B)  Thymine 
C)  Guanine 
D)  Cytosine 
A)  Uracil 
B)  Thymine 
C)  Guanine 
D)  Cytosine

Question 7

DNA and RNA differ in strandedness, type of sugar, and types of nitrogenous bases.

Accepted Answer

A) True 
 B)False

Question 8

A DNA sequence AACGGTGCACCACGG encodes a portion of a protein of sequence

Accepted Answer

A)  ile-gly-ala-pro-arg. 
B)  leu-pro-arg-gly-ala. 
C)  ala-gly-arg-pro-leu. 
D)  arg-pro-ala-gly-ile. 
A)  ile-gly-ala-pro-arg. 
B)  leu-pro-arg-gly-ala. 
C)  ala-gly-arg-pro-leu. 
D)  arg-pro-ala-gly-ile.

Question 9

An ATP molecule consists of an adenine, a ribose, and three phosphates.

Accepted Answer

A) True 
 B)False

Question 10

"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 11

A cofactor is ______ and examples are _____.

Accepted Answer

A)  an inorganic molecule that all enzymes require; cholesterol and calcium 
B)  an inorganic molecule that some enzymes require; vitamin B12 and B6 
C)  a necessary part of some enzymes; copper, iron, and zinc 
D)  a molecule that destabilizes substrates; carbonic acid 
A)  an inorganic molecule that all enzymes require; cholesterol and calcium 
B)  an inorganic molecule that some enzymes require; vitamin B12 and B6 
C)  a necessary part of some enzymes; copper, iron, and zinc 
D)  a molecule that destabilizes substrates; carbonic acid

Question 12

The DNA damage response replaces mismatched nucleotides.

Accepted Answer

A) True 
 B)False

Question 13

The genome sequences of different individuals are

Accepted Answer

A)  always identical. 
B)  always different. 
C)  about 90% alike. 
D)  about 99.9% alike. 
A)  always identical. 
B)  always different. 
C)  about 90% alike. 
D)  about 99.9% alike.

Question 14

Codons are three contiguous mRNA bases.

Accepted Answer

A) True 
 B)False

Question 15

A DNA sequence of CGCTTACGATTG would be transcribed into an RNA sequence of GCGAAUGCUAAC.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following is not true regarding RNA?

Accepted Answer

A)  It is transcribed in the nucleus and enters the cytoplasm. 
B)  It includes ribose, a 5-carbon sugar. 
C)  It is double-stranded. 
D)  It has cytosine as one of its four nitrogenous bases. 
A)  It is transcribed in the nucleus and enters the cytoplasm. 
B)  It includes ribose, a 5-carbon sugar. 
C)  It is double-stranded. 
D)  It has cytosine as one of its four nitrogenous bases.

Question 17

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 18

Which of the following substances increases in abundance during cellular respiration?

Accepted Answer

A)  Oxygen 
B)  Glucose 
C)  ATP 
D)  Glycogen 
A)  Oxygen 
B)  Glucose 
C)  ATP 
D)  Glycogen

Question 19

The name of an enzyme ends in

Accepted Answer

A)  -ese. 
B)  -ose. 
C)  -gen. 
D)  -ase. 
A)  -ese. 
B)  -ose. 
C)  -gen. 
D)  -ase.

Question 20

Three types of genetic changes are

Accepted Answer

A)  replication, transcription, and translation. 
B)  A to C, G to C, and U to A. 
C)  mutations, SNPs, and changes in copy number. 
D)  adenine, guanine, and cytosine. 
A)  replication, transcription, and translation. 
B)  A to C, G to C, and U to A. 
C)  mutations, SNPs, and changes in copy number. 
D)  adenine, guanine, and cytosine.

Exam 4: Cellular Metabolism

The aerobic reactions of cellular respiration occur in the mitochondria.

If you eat too many carbohydrates, they can be stored as fat.

In the citric acid cycle,

A single nucleotide polymorphism is a very rare genetic variant that affects health.

The enzyme catalase acts on the substrate

Which of the nitrogenous bases is part of DNA but not RNA?

DNA and RNA differ in strandedness, type of sugar, and types of nitrogenous bases.

A DNA sequence AACGGTGCACCACGG encodes a portion of a protein of sequence

An ATP molecule consists of an adenine, a ribose, and three phosphates.

"Anabolic metabolism" refers to

A cofactor is ______ and examples are _____.

The DNA damage response replaces mismatched nucleotides.

The genome sequences of different individuals are

Codons are three contiguous mRNA bases.

A DNA sequence of CGCTTACGATTG would be transcribed into an RNA sequence of GCGAAUGCUAAC.

Which of the following is not true regarding RNA?

The genetic code is

Which of the following substances increases in abundance during cellular respiration?

The name of an enzyme ends in

Three types of genetic changes are

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cells

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Division of the Nervous System

Nervous System III: Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Based Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

Filters

A cofactor is __ and examples are _.