Question 1

Cells undergo division when which of the following conditions have been met?

Accepted Answer

A)  They have grown large enough and replicated their DNA 
B)  They are still growing and have ample nutrients 
C)  They are stimulated by growth factors and neighboring cells are squeezed tightly against them 
D)  They have grown large enough and neighboring cells are squeezed tightly against them 
A)  They have grown large enough and replicated their DNA 
B)  They are still growing and have ample nutrients 
C)  They are stimulated by growth factors and neighboring cells are squeezed tightly against them 
D)  They have grown large enough and neighboring cells are squeezed tightly against them A

Question 2

Which of the following omits some stage(s)of the cell cycle?

Accepted Answer

A)  G1,S,G2,mitosis 
B)  Interphase,mitosis 
C)  G1,DNA replication,G2,mitosis 
D)  Prophase,metaphase,anaphase,telophase,cytokinesis 
E)  Interphase,prophase,metaphase,anaphase,telophase,cytokinesis 
A)  G1,S,G2,mitosis 
B)  Interphase,mitosis 
C)  G1,DNA replication,G2,mitosis 
D)  Prophase,metaphase,anaphase,telophase,cytokinesis 
E)  Interphase,prophase,metaphase,anaphase,telophase,cytokinesis D

Question 3

Eye color is a normal polygenic trait.

Accepted Answer

A) True 
 B)False  True

Question 4

A cell finishing mitosis has __________ DNA molecules,while a cell finishing DNA replication has __________ DNA molecules.

Accepted Answer

A)  46;46 
B)  46;92 
C)  46;23 
D)  23;46 
E)  23;23 
A)  46;46 
B)  46;92 
C)  46;23 
D)  23;46 
E)  23;23

Question 5

All of the following participate in DNA replication except __________.

Accepted Answer

A)  DNA 
B)  ribosomes 
C)  DNA ligase 
D)  DNA helicase 
E)  DNA polymerase 
A)  DNA 
B)  ribosomes 
C)  DNA ligase 
D)  DNA helicase 
E)  DNA polymerase

Question 6

A karyotype shows the __________ chromosomes sorted and isolated from a cell in __________.

Accepted Answer

A)  23;interphase 
B)  23;metaphase 
C)  46;prophase 
D)  46;metaphase 
E)  46;S phase 
A)  23;interphase 
B)  23;metaphase 
C)  46;prophase 
D)  46;metaphase 
E)  46;S phase

Question 7

Which of the following is not directly involved in translation?

Accepted Answer

A)  DNA 
B)  mRNA 
C)  tRNA 
D)  rRNA 
E)  Ribosomes 
A)  DNA 
B)  mRNA 
C)  tRNA 
D)  rRNA 
E)  Ribosomes

Question 8

__________ opens up one segment of the DNA helix during replication;__________adds complementary free nucleotides to the exposed DNA strand.

Accepted Answer

A)  DNA ligase;DNA helicase 
B)  DNA helicase;DNA polymerase 
C)  DNA ligase;DNA polymerase 
D)  DNA helicase;DNA ligase 
E)  DNA polymerase;DNA ligase 
A)  DNA ligase;DNA helicase 
B)  DNA helicase;DNA polymerase 
C)  DNA ligase;DNA polymerase 
D)  DNA helicase;DNA ligase 
E)  DNA polymerase;DNA ligase

Question 9

Since there are no genes coding for carbohydrates,nucleic acids,or lipids,how do cells produce them?

Accepted Answer

A)  Enzymes encoded by genes synthesize these products. 
B)  Cells are born with all the products they need. 
C)  Cells absorb these products by endocytosis. 
D)  Cells import these products from older cells. 
E)  Cells can produce carbohydrates,nucleic acids,and lipids out of proteins. 
A)  Enzymes encoded by genes synthesize these products. 
B)  Cells are born with all the products they need. 
C)  Cells absorb these products by endocytosis. 
D)  Cells import these products from older cells. 
E)  Cells can produce carbohydrates,nucleic acids,and lipids out of proteins.

Question 10

If a DNA molecule were known to be 22% thymine (T),what would be the percentage of guanine (G)present?

Accepted Answer

A)  8% 
B)  11% 
C)  22% 
D)  28% 
E)  78% 
A)  8% 
B)  11% 
C)  22% 
D)  28% 
E)  78%

Question 11

What is the complementary DNA base sequence to the DNA strand TGCCAT?

Accepted Answer

A)  TGCCAT 
B)  UGCCAU 
C)  ACGGTA 
D)  ACGGUA 
E)  ACCGTA 
A)  TGCCAT 
B)  UGCCAU 
C)  ACGGTA 
D)  ACGGUA 
E)  ACCGTA

Question 12

All proteins made by the ribosomes are exported from a cell for use elsewhere in the body.

Accepted Answer

A) True 
 B)False

Question 13

Phenotype is the result of genetic influences only.

Accepted Answer

A) True 
 B)False

Question 14

DNA never migrates from the nucleus to the cytoplasm to participate directly in protein synthesis.

Accepted Answer

A) True 
 B)False

Question 15

All of the body's nonreproductive cells,called __________,usually have 23 pairs of chromosomes and are thus called __________ cells.

Accepted Answer

A)  germ cells;haploid (n) 
B)  germ cells;diploid (2n) 
C)  somatic cells;haploid (n) 
D)  somatic cells;diploid (2n) 
A)  germ cells;haploid (n) 
B)  germ cells;diploid (2n) 
C)  somatic cells;haploid (n) 
D)  somatic cells;diploid (2n)

Question 16

DNA is a polymer of __________,which consist of a sugar,a phosphate group,and a __________.

Accepted Answer

A)  amino acids;nucleotide 
B)  nucleic acids;nucleotide 
C)  nucleotides;nitrogenous base 
D)  nucleotides;nucleic acid 
E)  proteins;nucleotide 
A)  amino acids;nucleotide 
B)  nucleic acids;nucleotide 
C)  nucleotides;nitrogenous base 
D)  nucleotides;nucleic acid 
E)  proteins;nucleotide

Question 17

You were able to radioactively tag and thereby trace an amino acid that is used to make insulin,a hormone that will be exported out of the cell.The pathway of the tagged amino acid would be __________.

Accepted Answer

A)  free ribosome → cytosol → vesicle → extracellular fluid 
B)  rough ER → Golgi complex → Golgi vesicle → extracellular fluid 
C)  rough ER → smooth ER → Golgi complex → Golgi vesicle → extracellular fluid 
D)  smooth ER → Golgi complex → Golgi vesicle → extracellular fluid 
E)  smooth ER → Golgi complex → lysosome → extracellular fluid 
A)  free ribosome → cytosol → vesicle → extracellular fluid 
B)  rough ER → Golgi complex → Golgi vesicle → extracellular fluid 
C)  rough ER → smooth ER → Golgi complex → Golgi vesicle → extracellular fluid 
D)  smooth ER → Golgi complex → Golgi vesicle → extracellular fluid 
E)  smooth ER → Golgi complex → lysosome → extracellular fluid

Question 18

The G1,S,and G2 phases of the cell cycle are collectively called __________.

Accepted Answer

A)  interphase 
B)  telophase 
C)  cytokinesis 
D)  prophase 
E)  anaphase 
A)  interphase 
B)  telophase 
C)  cytokinesis 
D)  prophase 
E)  anaphase

Question 19

Which of the following is not found in RNA?

Accepted Answer

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

Question 20

Which molecule contains anticodons?

Accepted Answer

A)  An mRNA 
B)  A DNA molecule 
C)  A tRNA 
D)  An rRNA 
E)  A cDNA 
A)  An mRNA 
B)  A DNA molecule 
C)  A tRNA 
D)  An rRNA 
E)  A cDNA

Exam 4: Genetics of Cellular Function

Cells undergo division when which of the following conditions have been met?

Which of the following omits some stage(s)of the cell cycle?

Eye color is a normal polygenic trait.

A cell finishing mitosis has __________ DNA molecules,while a cell finishing DNA replication has __________ DNA molecules.

All of the following participate in DNA replication except __________.

A karyotype shows the __________ chromosomes sorted and isolated from a cell in __________.

Which of the following is not directly involved in translation?

__________ opens up one segment of the DNA helix during replication;__________adds complementary free nucleotides to the exposed DNA strand.

Since there are no genes coding for carbohydrates,nucleic acids,or lipids,how do cells produce them?

If a DNA molecule were known to be 22% thymine (T),what would be the percentage of guanine (G)present?

What is the complementary DNA base sequence to the DNA strand TGCCAT?

All proteins made by the ribosomes are exported from a cell for use elsewhere in the body.

Phenotype is the result of genetic influences only.

DNA never migrates from the nucleus to the cytoplasm to participate directly in protein synthesis.

All of the body's nonreproductive cells,called __________,usually have 23 pairs of chromosomes and are thus called __________ cells.

DNA is a polymer of __________,which consist of a sugar,a phosphate group,and a __________.

You were able to radioactively tag and thereby trace an amino acid that is used to make insulin,a hormone that will be exported out of the cell.The pathway of the tagged amino acid would be __________.

The G1,S,and G2 phases of the cell cycle are collectively called __________.

Which of the following is not found in RNA?

Which molecule contains anticodons?

Major Themes of Anatomy and Physiology

The Chemistry of Life

Cellular Form and Function

Histology

The Integumentary System

Bone Tissue

The Skeletal System

Joints

The Muscular System

Muscular Tissue

Nervous Tissue

The Spinal Cord,spinal Nerves,and Somatic Reflexes

The Brain and Cranial Nerves

The Autonomic Nervous System and Visceral Reflexes

Sense Organs

The Endocrine System

The Circulatory System: Blood

The Circulatory System: Heart

The Circulatory System: Blood Vessels and Circulation

The Lymphatic and Immune Systems

The Respiratory System

The Urinary System

Fluid, electrolyte, and Acidbase Balance

The Digestive System

Nutrition and Metabolism

The Male Reproductive System

The Female Reproductive System

Human Development and Aging

Atlas a General Orientation to Human Anatomy

Filters

A cell finishing mitosis has DNA molecules,while a cell finishing DNA replication has DNA molecules.

A karyotype shows the chromosomes sorted and isolated from a cell in .

opens up one segment of the DNA helix during replication;adds complementary free nucleotides to the exposed DNA strand.

All of the body's nonreproductive cells,called ,usually have 23 pairs of chromosomes and are thus called cells.

DNA is a polymer of ,which consist of a sugar,a phosphate group,and a .

The G₁,S,and G₂ phases of the cell cycle are collectively called __________.