Question 1

Protein synthesis requires

Accepted Answer

A) aminoacyl-tRNA synthetase to link amino acids to specific tRNA molecules. 
B) secreted proteins to be synthesized by cytosolic polyribosomes. 
C) recognition of the anticodon in mRNA by the codon in tRNA. 
D) the presence of transcription factors. 
A) aminoacyl-tRNA synthetase to link amino acids to specific tRNA molecules. 
B) secreted proteins to be synthesized by cytosolic polyribosomes. 
C) recognition of the anticodon in mRNA by the codon in tRNA. 
D) the presence of transcription factors.

Question 2

The pericentriolar material is believed to be responsible for

Accepted Answer

A) cytoskeletal organization. 
B) centriole replication. 
C) kinetochore formation. 
D) centrosome formation. 
A) cytoskeletal organization. 
B) centriole replication. 
C) kinetochore formation. 
D) centrosome formation.

Question 3

All body cells have a single,centralized nucleus.

Accepted Answer

A) True 
 B)False

Question 4

Mitochondria contain their own DNA.

Accepted Answer

A) True 
 B)False

Question 5

Release of neurotransmitters occurs via

Accepted Answer

A) exocytosis. 
B) endocytosis. 
C) phagocytosis. 
D) pinocytosis. 
A) exocytosis. 
B) endocytosis. 
C) phagocytosis. 
D) pinocytosis.

Question 6

Which of the following is NOT an example of an inclusion?

Accepted Answer

A) glycogen 
B) actin 
C) melanin 
D) triglycerides 
A) glycogen 
B) actin 
C) melanin 
D) triglycerides

Question 7

The term proteome refers to all of the genes in a particular individual.

Accepted Answer

A) True 
 B)False

Question 8

What enzyme is needed to prevent excessive accumulation of hydrogen peroxide from peroxisome activity?

Accepted Answer

A) peroxidase 
B) catalase 
C) oxidate 
D) maltase 
A) peroxidase 
B) catalase 
C) oxidate 
D) maltase

Question 9

Precursor mRNA is larger than the mRNA it forms.

Accepted Answer

A) True 
 B)False

Question 10

Chromatin that is active in genetic transcription is called

Accepted Answer

A) euchromatin. 
B) homochromatic. 
C) heterochromatin. 
D) embryonic chromatin. 
A) euchromatin. 
B) homochromatic. 
C) heterochromatin. 
D) embryonic chromatin.

Question 11

Proteins that are partially embedded on one side of the plasma membrane are

Accepted Answer

A) integral proteins. 
B) transport proteins. 
C) peripheral proteins. 
D) fluid proteins. 
A) integral proteins. 
B) transport proteins. 
C) peripheral proteins. 
D) fluid proteins.

Question 12

Proto-oncogenes are mutated forms of normal genes which contribute to cancer.

Accepted Answer

A) True 
 B)False

Question 13

The duration of the cell cycle is decreased in response to increased amounts of

Accepted Answer

A) telomerase. 
B) cyclin 
C) DNA helicase. 
D) proteasome. 
A) telomerase. 
B) cyclin 
C) DNA helicase. 
D) proteasome.

Question 14

The pH of the cytoplasm is more ___________ than the interior of a primary lysosome.

Accepted Answer

A) basic 
B) acidic 
C) neutral 
A) basic 
B) acidic 
C) neutral

Question 15

Which stage of the cell cycle immediately precedes the S phase?

Accepted Answer

A) G1 
B) G2 
C) M 
D) None apply 
A) G1 
B) G2 
C) M 
D) None apply

Question 16

What enzyme is needed for transcription?

Accepted Answer

A) spliceosomes 
B) RNA polymerase 
C) RNA promoter 
D) DNA polymerase 
A) spliceosomes 
B) RNA polymerase 
C) RNA promoter 
D) DNA polymerase

Question 17

Proteins to be used by the cell will fold into their secondary or tertiary structures at polyribosomes in the cytoplasm.

Accepted Answer

A) True 
 B)False

Question 18

A cell which is actively involved in the detoxification of chemicals would contain large quantities of

Accepted Answer

A) ribosomes. 
B) mitochondria. 
C) peroxisomes. 
D) rough endoplasmic reticulum. 
A) ribosomes. 
B) mitochondria. 
C) peroxisomes. 
D) rough endoplasmic reticulum.

Question 19

The process by which cells secrete cellular products into the extracellular environment is

Accepted Answer

A) phagocytosis. 
B) endocytosis. 
C) exocytosis. 
D) pinocytosis. 
A) phagocytosis. 
B) endocytosis. 
C) exocytosis. 
D) pinocytosis.

Question 20

Damage to cellular DNA that cannot be repaired would induce

Accepted Answer

A) mitosis. 
B) meiosis. 
C) apoptosis. 
D) cell division. 
A) mitosis. 
B) meiosis. 
C) apoptosis. 
D) cell division.

Protein synthesis requires

The pericentriolar material is believed to be responsible for

All body cells have a single,centralized nucleus.

Mitochondria contain their own DNA.

Release of neurotransmitters occurs via

Which of the following is NOT an example of an inclusion?

The term proteome refers to all of the genes in a particular individual.

What enzyme is needed to prevent excessive accumulation of hydrogen peroxide from peroxisome activity?

Precursor mRNA is larger than the mRNA it forms.

Chromatin that is active in genetic transcription is called

Proteins that are partially embedded on one side of the plasma membrane are

Proto-oncogenes are mutated forms of normal genes which contribute to cancer.

The duration of the cell cycle is decreased in response to increased amounts of

The pH of the cytoplasm is more ___________ than the interior of a primary lysosome.

Which stage of the cell cycle immediately precedes the S phase?

What enzyme is needed for transcription?

Proteins to be used by the cell will fold into their secondary or tertiary structures at polyribosomes in the cytoplasm.

A cell which is actively involved in the detoxification of chemicals would contain large quantities of

The process by which cells secrete cellular products into the extracellular environment is

Damage to cellular DNA that cannot be repaired would induce

The Study of Body Function

Chemical Composition of the Body

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

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Exam 3: Cell Structure and Genetic Control

Protein synthesis requires

The pericentriolar material is believed to be responsible for

All body cells have a single,centralized nucleus.

Mitochondria contain their own DNA.

Release of neurotransmitters occurs via

Which of the following is NOT an example of an inclusion?

The term proteome refers to all of the genes in a particular individual.

What enzyme is needed to prevent excessive accumulation of hydrogen peroxide from peroxisome activity?

Precursor mRNA is larger than the mRNA it forms.

Chromatin that is active in genetic transcription is called

Proteins that are partially embedded on one side of the plasma membrane are

Proto-oncogenes are mutated forms of normal genes which contribute to cancer.

The duration of the cell cycle is decreased in response to increased amounts of

The pH of the cytoplasm is more ___________ than the interior of a primary lysosome.

Which stage of the cell cycle immediately precedes the S phase?

What enzyme is needed for transcription?

Proteins to be used by the cell will fold into their secondary or tertiary structures at polyribosomes in the cytoplasm.

A cell which is actively involved in the detoxification of chemicals would contain large quantities of

The process by which cells secrete cellular products into the extracellular environment is

Damage to cellular DNA that cannot be repaired would induce

The Study of Body Function

Chemical Composition of the Body

Enzymes and Energy

Cell Respiration and Metabolism

Interactions Between Cells and the Extracellular Environment

The Nervous System: Neurons and Synapses

The Central Nervous System

The Autonomic Nervous System

Sensory Physiology

Endocrine Glands: Secretion and Action of Hormones

Muscle: Mechanisms of Contraction and Neural Control

Blood,Heart and Circulation

Cardiac Output,Blood Flow,and Blood Pressure

The Immune System

Respiratory Physiology

Physiology of the Kidneys

The Digestive System

Regulation and Metabolism

Reproduction

Filters