Question 1

Release of neurotransmitters occurs via

Accepted Answer

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

Question 2

In the nucleus of a diploid cell,the amount of cytosine would equal the amount of

Accepted Answer

A) adenine. 
B) thymine. 
C) uracil. 
D) guanine. 
A) adenine. 
B) thymine. 
C) uracil. 
D) guanine.

Question 3

Apoptosis involves the activation of enzymes called ____________,which are the cell "executioners" that activate other enzymes in the nucleus that fragment the DNA.

Accepted Answer

A) neutrophils 
B) lysosomes 
C) caspases 
D) peroxisomes 
A) neutrophils 
B) lysosomes 
C) caspases 
D) peroxisomes

Question 4

Embryonic stem cells are pluripotent and their chromatin is mostly

Accepted Answer

A) mesenchymal. 
B) euchromatin. 
C) heterochromatin. 
D) histochromatin. 
A) mesenchymal. 
B) euchromatin. 
C) heterochromatin. 
D) histochromatin.

Question 5

Precursor mRNA is larger than the mRNA it forms.

Accepted Answer

A) True 
 B)False

Question 6

The granular (rough)endoplasmic reticulum is characterized by a lack of ribosomes.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following locations have ciliated cells?

Accepted Answer

A) respiratory and digestive systems 
B) female reproductive and lymphatic systems 
C) respiratory and female reproductive systems 
D) digestive and lymphatic systems 
A) respiratory and digestive systems 
B) female reproductive and lymphatic systems 
C) respiratory and female reproductive systems 
D) digestive and lymphatic systems

Question 8

Membrane enclosed organelles containing oxidative enzymes that form hydrogen peroxide are

Accepted Answer

A) lysosomes. 
B) centrosomes. 
C) peroxisomes. 
D) chromosomes. 
A) lysosomes. 
B) centrosomes. 
C) peroxisomes. 
D) chromosomes.

Question 9

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 10

The centrosome is responsible for

Accepted Answer

A) making ciliA. 
B) making microtubules. 
C) pulling duplicated chromosomes apart. 
D) All apply. 
A) making ciliA. 
B) making microtubules. 
C) pulling duplicated chromosomes apart. 
D) All apply.

Question 11

Growth due to increased cell size is called

Accepted Answer

A) hypertrophy. 
B) hyperplasia. 
C) atrophy. 
D) dystrophy. 
A) hypertrophy. 
B) hyperplasia. 
C) atrophy. 
D) dystrophy.

Question 12

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 13

All body cells have a single,centralized nucleus.

Accepted Answer

A) True 
 B)False

Question 14

Individuals using anabolic steroids would have increased amounts of agranular (smooth)endoplasmic reticulum in their liver cells.

Accepted Answer

A) True 
 B)False

Question 15

The plasma membrane is referred to as a mosaic because of the presence of

Accepted Answer

A) stationary proteins in a uniform arrangement. 
B) carbohydrates in changing patterns. 
C) phospholipids that are in constant motion. 
D) moving proteins in a random arrangement. 
A) stationary proteins in a uniform arrangement. 
B) carbohydrates in changing patterns. 
C) phospholipids that are in constant motion. 
D) moving proteins in a random arrangement.

Question 16

Proteins located on the surface of the plasma membrane can act as ___________ for hormones.

Accepted Answer

A) receptors 
B) enzymes 
C) neurotransmitters 
D) pseudopods 
A) receptors 
B) enzymes 
C) neurotransmitters 
D) pseudopods

Question 17

Ribosomal enzymes needed for protein synthesis are called

Accepted Answer

A) catalases. 
B) superoxide radicals. 
C) ribozymes. 
D) lysozymes. 
A) catalases. 
B) superoxide radicals. 
C) ribozymes. 
D) lysozymes.

Question 18

Huntington's disease is characterized by a dominant defective gene on chromosome

Accepted Answer

A) 2. 
B) 4. 
C) 19. 
D) 21. 
A) 2. 
B) 4. 
C) 19. 
D) 21.

Question 19

Centrosomes replicate during

Accepted Answer

A) anaphase. 
B) cytokinesis. 
C) interphase. 
D) telophase. 
A) anaphase. 
B) cytokinesis. 
C) interphase. 
D) telophase.

Question 20

Crossing over is important for

Accepted Answer

A) increasing genetic variability. 
B) preventing mutations. 
C) limiting genetic recombination. 
D) maintaining chromosome structure. 
A) increasing genetic variability. 
B) preventing mutations. 
C) limiting genetic recombination. 
D) maintaining chromosome structure.

Release of neurotransmitters occurs via

In the nucleus of a diploid cell,the amount of cytosine would equal the amount of

Apoptosis involves the activation of enzymes called ____________,which are the cell "executioners" that activate other enzymes in the nucleus that fragment the DNA.

Embryonic stem cells are pluripotent and their chromatin is mostly

Precursor mRNA is larger than the mRNA it forms.

The granular (rough)endoplasmic reticulum is characterized by a lack of ribosomes.

Which of the following locations have ciliated cells?

Membrane enclosed organelles containing oxidative enzymes that form hydrogen peroxide are

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

The centrosome is responsible for

Growth due to increased cell size is called

Chromatin that is active in genetic transcription is called

All body cells have a single,centralized nucleus.

Individuals using anabolic steroids would have increased amounts of agranular (smooth)endoplasmic reticulum in their liver cells.

The plasma membrane is referred to as a mosaic because of the presence of

Proteins located on the surface of the plasma membrane can act as ___________ for hormones.

Ribosomal enzymes needed for protein synthesis are called

Huntington's disease is characterized by a dominant defective gene on chromosome

Centrosomes replicate during

Crossing over is important for

The Study of Body Function

Chemical Composition of the Body

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

Exam 3: Cell Structure and Genetic Control

Release of neurotransmitters occurs via

In the nucleus of a diploid cell,the amount of cytosine would equal the amount of

Apoptosis involves the activation of enzymes called ____________,which are the cell "executioners" that activate other enzymes in the nucleus that fragment the DNA.

Embryonic stem cells are pluripotent and their chromatin is mostly

Precursor mRNA is larger than the mRNA it forms.

The granular (rough)endoplasmic reticulum is characterized by a lack of ribosomes.

Which of the following locations have ciliated cells?

Membrane enclosed organelles containing oxidative enzymes that form hydrogen peroxide are

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

The centrosome is responsible for

Growth due to increased cell size is called

Chromatin that is active in genetic transcription is called

All body cells have a single,centralized nucleus.

Individuals using anabolic steroids would have increased amounts of agranular (smooth)endoplasmic reticulum in their liver cells.

The plasma membrane is referred to as a mosaic because of the presence of

Proteins located on the surface of the plasma membrane can act as ___________ for hormones.

Ribosomal enzymes needed for protein synthesis are called

Huntington's disease is characterized by a dominant defective gene on chromosome

Centrosomes replicate during

Crossing over is important for

The Study of Body Function

Chemical Composition of the Body

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