Question 1

All body cells have motile cilia with a "9+2" structure.

Accepted Answer

A) True 
 B)False

Question 2

The genetic code is found within DNA.

Accepted Answer

A) True 
 B)False

Question 3

What organelle functions to chemically modify cellular products and package them in vesicles?

Accepted Answer

A) Golgi complex 
B) mitochondrion 
C) lysosome 
D) ribosome 
A) Golgi complex 
B) mitochondrion 
C) lysosome 
D) ribosome

Question 4

What process involves the destruction of worn-out organelles by lysosomes?

Accepted Answer

A) exocytosis 
B) pinocytosis 
C) autophagy 
D) None apply. 
A) exocytosis 
B) pinocytosis 
C) autophagy 
D) None apply.

Question 5

Genes that have been silenced are passed to daughter cells during mitosis and meiosis in a process called

Accepted Answer

A) apoptosis. 
B) necrosis. 
C) hypertrophy. 
D) epigenetic inheritance. 
A) apoptosis. 
B) necrosis. 
C) hypertrophy. 
D) epigenetic inheritance.

Question 6

Which of the following is NOT an explanation for how one gene can produce more than one protein?

Accepted Answer

A) posttranslational methylation and phosphorylation 
B) different groups of polypeptides associating to make different proteins 
C) various cuts and splices of mRNA 
D) different carbohydrates bonded to the protein 
A) posttranslational methylation and phosphorylation 
B) different groups of polypeptides associating to make different proteins 
C) various cuts and splices of mRNA 
D) different carbohydrates bonded to the protein

Question 7

Primary lysosomes consist of digestive enzymes and the contents of a food vacuole.

Accepted Answer

A) True 
 B)False

Question 8

Cells actively involved in secreting proteins would contain large numbers or quantities of

Accepted Answer

A) lysosomes. 
B) peroxisomes. 
C) granular (rough)endoplasmic reticulum. 
D) agranular (smooth)endoplasmic reticulum. 
A) lysosomes. 
B) peroxisomes. 
C) granular (rough)endoplasmic reticulum. 
D) agranular (smooth)endoplasmic reticulum.

Question 9

The process of recycling cellular proteins that had been released by exocytosis and brought back into the cell is called

Accepted Answer

A) mediated transport. 
B) active transport. 
C) autophagy. 
D) retrograde transport. 
A) mediated transport. 
B) active transport. 
C) autophagy. 
D) retrograde transport.

Question 10

Almost every body cell has a single nonmotile primary cilium with a "9+0" structure.

Accepted Answer

A) True 
 B)False

Question 11

Chromatin is comprised of _____________ and ___________.

Accepted Answer

A) phospholipids,DNA 
B) DNA,protein 
C) RNA,protein 
D) DNA,RNA 
A) phospholipids,DNA 
B) DNA,protein 
C) RNA,protein 
D) DNA,RNA

Question 12

Crossing over occurs during

Accepted Answer

A) anaphase I of meiosis. 
B) metaphase of mitosis. 
C) prophase I of meiosis. 
D) metaphase II of meiosis. 
A) anaphase I of meiosis. 
B) metaphase of mitosis. 
C) prophase I of meiosis. 
D) metaphase II of meiosis.

Question 13

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.

Question 14

Phagocytosis differs from endocytosis in that with phagocytosis

Accepted Answer

A) the plasma membrane invaginates to produce a furrow that pinches off inside the cell. 
B) the plasma membrane extends outwards with pseudopods to surround the substance. 
C) specific membrane receptors bind to the molecules to be brought into the cell. 
D) None apply. 
A) the plasma membrane invaginates to produce a furrow that pinches off inside the cell. 
B) the plasma membrane extends outwards with pseudopods to surround the substance. 
C) specific membrane receptors bind to the molecules to be brought into the cell. 
D) None apply.

Question 15

Gene silencing may be accomplished by

Accepted Answer

A) removal of the gene. 
B) methylation of cytosine bases in DNA. 
C) crossing over. 
D) genetic recombination. 
A) removal of the gene. 
B) methylation of cytosine bases in DNA. 
C) crossing over. 
D) genetic recombination.

Question 16

Crossing over allows for the exchange of genetic material between homologous chromosomes.

Accepted Answer

A) True 
 B)False

Question 17

Telomeres serve to

Accepted Answer

A) increase apoptosis. 
B) cap the ends of DNA and protect it from damage. 
C) break DNA and cause it to degrade. 
D) cause replication of genes. 
A) increase apoptosis. 
B) cap the ends of DNA and protect it from damage. 
C) break DNA and cause it to degrade. 
D) cause replication of genes.

Question 18

Cells which contain large numbers of mitochondria and large amounts of agranular (smooth)endoplasmic reticulum are most likely

Accepted Answer

A) bladder cells. 
B) bone cells. 
C) lung cells. 
D) skeletal muscle cells. 
A) bladder cells. 
B) bone cells. 
C) lung cells. 
D) skeletal muscle cells.

Question 19

Which of the following is NOT true of the nuclear envelope?

Accepted Answer

A) double-layered 
B) fused in areas by nuclear pore complexes 
C) single-layered 
D) contains nuclear pores 
A) double-layered 
B) fused in areas by nuclear pore complexes 
C) single-layered 
D) contains nuclear pores

Question 20

Cells in the G1 phase will have their chromosomes in a condensed form.

Accepted Answer

A) True 
 B)False

All body cells have motile cilia with a "9+2" structure.

The genetic code is found within DNA.

What organelle functions to chemically modify cellular products and package them in vesicles?

What process involves the destruction of worn-out organelles by lysosomes?

Genes that have been silenced are passed to daughter cells during mitosis and meiosis in a process called

Which of the following is NOT an explanation for how one gene can produce more than one protein?

Primary lysosomes consist of digestive enzymes and the contents of a food vacuole.

Cells actively involved in secreting proteins would contain large numbers or quantities of

The process of recycling cellular proteins that had been released by exocytosis and brought back into the cell is called

Almost every body cell has a single nonmotile primary cilium with a "9+0" structure.

Chromatin is comprised of ___ and _.

Crossing over occurs during

Crossing over is important for

Phagocytosis differs from endocytosis in that with phagocytosis

Gene silencing may be accomplished by

Crossing over allows for the exchange of genetic material between homologous chromosomes.

Telomeres serve to

Cells which contain large numbers of mitochondria and large amounts of agranular (smooth)endoplasmic reticulum are most likely

Which of the following is NOT true of the nuclear envelope?

Cells in the G₁ phase will have their chromosomes in a condensed form.

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

Exam 3: Cell Structure and Genetic Control

All body cells have motile cilia with a "9+2" structure.

The genetic code is found within DNA.

What organelle functions to chemically modify cellular products and package them in vesicles?

What process involves the destruction of worn-out organelles by lysosomes?

Genes that have been silenced are passed to daughter cells during mitosis and meiosis in a process called

Which of the following is NOT an explanation for how one gene can produce more than one protein?

Primary lysosomes consist of digestive enzymes and the contents of a food vacuole.

Cells actively involved in secreting proteins would contain large numbers or quantities of

The process of recycling cellular proteins that had been released by exocytosis and brought back into the cell is called

Almost every body cell has a single nonmotile primary cilium with a "9+0" structure.

Chromatin is comprised of _____________ and ___________.

Crossing over occurs during

Crossing over is important for

Phagocytosis differs from endocytosis in that with phagocytosis

Gene silencing may be accomplished by

Crossing over allows for the exchange of genetic material between homologous chromosomes.

Telomeres serve to

Cells which contain large numbers of mitochondria and large amounts of agranular (smooth)endoplasmic reticulum are most likely

Which of the following is NOT true of the nuclear envelope?

Cells in the G1 phase will have their chromosomes in a condensed form.

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

Chromatin is comprised of ___ and _.

Cells in the G₁ phase will have their chromosomes in a condensed form.