Question 1

Most bacteriophages consist of only a _______________ coat and a ____________________ core.

Accepted Answer

A) Lipid, protein 
B) Polysaccharide, nucleic acid 
C) Protein, lipid 
D) Protein, nucleic acid 
E) Polysaccharide, protein 
A) Lipid, protein 
B) Polysaccharide, nucleic acid 
C) Protein, lipid 
D) Protein, nucleic acid 
E) Polysaccharide, protein

Question 2

Eukaryotic chromosomes become microscopically visible before cell division because:

Accepted Answer

A) They become less tightly wound 
B) They become more tightly wound 
C) They increase in length 
D) They become more tightly wound and increase in length 
E) They become less tightly wound and increase in length 
A) They become less tightly wound 
B) They become more tightly wound 
C) They increase in length 
D) They become more tightly wound and increase in length 
E) They become less tightly wound and increase in length

Question 3

If a mutation causes the "T" base in the base sequence 5' AGTCCG 3' to be read as a "G" base,DNA replication of the mutated sequence will read:

Accepted Answer

A) 3' TCCGGC 5' 
B) 3' AGGCCG 5' 
C) 3' CTTAAT 5' 
D) 3' UCCGGC 5' 
E) 3' AGTCCG 5' 
A) 3' TCCGGC 5' 
B) 3' AGGCCG 5' 
C) 3' CTTAAT 5' 
D) 3' UCCGGC 5' 
E) 3' AGTCCG 5'

Question 4

"Sister chromatids" are:

Accepted Answer

A) Genetically identical and attached to each other at centromere 
B) Genetically different and attached to each other at centromere 
C) Genetically different 
D) Genetically identical 
E) Attached to each other at centromere 
A) Genetically identical and attached to each other at centromere 
B) Genetically different and attached to each other at centromere 
C) Genetically different 
D) Genetically identical 
E) Attached to each other at centromere

Question 5

Why would a cancer cell need to induce angiogenesis?

Accepted Answer

A) Because cells in the center of a tumor become too far from blood vessels 
B) It is the first step in metastasis 
C) To avoid checkpoints in the cell cycle 
D) It would activate oncogenes 
E) It would inactivate tumor suppressors 
A) Because cells in the center of a tumor become too far from blood vessels 
B) It is the first step in metastasis 
C) To avoid checkpoints in the cell cycle 
D) It would activate oncogenes 
E) It would inactivate tumor suppressors

Question 6

A nucleosome consists of:

Accepted Answer

A) A stretch of DNA and histones 
B) A stretch of DNA 
C) An RNA molecule 
D) A ribosome and RNA 
E) Histones 
A) A stretch of DNA and histones 
B) A stretch of DNA 
C) An RNA molecule 
D) A ribosome and RNA 
E) Histones

Question 7

Change in a cell's DNA sequence is a regular occurrence in the process of replication.

Accepted Answer

A) True 
 B)False

Question 8

The genome of an organism is all of its:

Accepted Answer

A) Proteins 
B) RNA 
C) Characteristics 
D) Genetic material 
E) All are correct 
A) Proteins 
B) RNA 
C) Characteristics 
D) Genetic material 
E) All are correct

Question 9

A cell with two full sets of chromosomes would be termed a _______________ cell.

Accepted Answer

A) Haploid 
B) Sister 
C) Somatic 
D) Diploid 
E) Germ 
A) Haploid 
B) Sister 
C) Somatic 
D) Diploid 
E) Germ

Question 10

If one strand of a DNA molecule has the base sequence of 5' ATGTGCC 3' the complementary strand of DNA will read:

Accepted Answer

A) 3' ATGTGCC 5' 
B) 3' TACACGG 5' 
C) 3' UACACGG 5' 
D) 3' CGTGTAA 5' 
E) 3' GGCACAT 5' 
A) 3' ATGTGCC 5' 
B) 3' TACACGG 5' 
C) 3' UACACGG 5' 
D) 3' CGTGTAA 5' 
E) 3' GGCACAT 5'

Question 11

The first sign of cytokinesis in an animal cell is the formation of a:

Accepted Answer

A) Cell plate 
B) Cleavage furrow 
C) Cell wall 
D) Nucleolus 
E) Nuclear envelope 
A) Cell plate 
B) Cleavage furrow 
C) Cell wall 
D) Nucleolus 
E) Nuclear envelope

Question 12

Replication takes place during the G1 phase of interphase.

Accepted Answer

A) True 
 B)False

Question 13

During the cell cycle there are several checkpoints that ensure that the cell cycle is proceeding correctly.

Accepted Answer

A) True 
 B)False

Question 14

During cytokinesis of a plant cell,the cell divides by forming a cleavage furrow.

Accepted Answer

A) True 
 B)False

Question 15

The process used to rapidly produce DNA sequences of interest is polymerase chain reaction.

Accepted Answer

A) True 
 B)False

Question 16

DNA replication is:

Accepted Answer

A) Conservative 
B) A one-step process 
C) Semi-conservative 
D) Not carried out by enzymes 
E) Not carried out in prokaryotic cells 
A) Conservative 
B) A one-step process 
C) Semi-conservative 
D) Not carried out by enzymes 
E) Not carried out in prokaryotic cells

Question 17

The enzyme that builds a short complementary piece of RNA at the start of each DNA segment to be replicated is:

Accepted Answer

A) DNA polymerase 
B) Primase 
C) ATP synthase 
D) Ligase 
E) Helicase 
A) DNA polymerase 
B) Primase 
C) ATP synthase 
D) Ligase 
E) Helicase

Question 18

The two main stages of the cell cycle are:

Accepted Answer

A) Interphase and cytokinesis 
B) Interphase and mitosis 
C) Mitosis and cytokinesis 
D) Interphase and prophase 
E) Mitosis and meiosis 
A) Interphase and cytokinesis 
B) Interphase and mitosis 
C) Mitosis and cytokinesis 
D) Interphase and prophase 
E) Mitosis and meiosis

Question 19

The phase of mitosis in which the centromeres split and sister chromatids are pulled to opposite poles of the cell is:

Accepted Answer

A) Prophase 
B) Anaphase 
C) Prometaphase 
D) Metaphase 
E) Telophase 
A) Prophase 
B) Anaphase 
C) Prometaphase 
D) Metaphase 
E) Telophase

Question 20

The phase of mitosis in which the nuclear envelope breaks into small pieces is:

Accepted Answer

A) Prophase 
B) Metaphase 
C) Anaphase 
D) Prometaphase 
E) Telophase 
A) Prophase 
B) Metaphase 
C) Anaphase 
D) Prometaphase 
E) Telophase

Exam 8: Dna Replication, mitosis and the Cell Cycle

Most bacteriophages consist of only a _______________ coat and a ____________________ core.

Eukaryotic chromosomes become microscopically visible before cell division because:

If a mutation causes the "T" base in the base sequence 5' AGTCCG 3' to be read as a "G" base,DNA replication of the mutated sequence will read:

"Sister chromatids" are:

Why would a cancer cell need to induce angiogenesis?

A nucleosome consists of:

Change in a cell's DNA sequence is a regular occurrence in the process of replication.

The genome of an organism is all of its:

A cell with two full sets of chromosomes would be termed a _______________ cell.

If one strand of a DNA molecule has the base sequence of 5' ATGTGCC 3' the complementary strand of DNA will read:

The first sign of cytokinesis in an animal cell is the formation of a:

Replication takes place during the G1 phase of interphase.

During the cell cycle there are several checkpoints that ensure that the cell cycle is proceeding correctly.

During cytokinesis of a plant cell,the cell divides by forming a cleavage furrow.

The process used to rapidly produce DNA sequences of interest is polymerase chain reaction.

DNA replication is:

The enzyme that builds a short complementary piece of RNA at the start of each DNA segment to be replicated is:

The two main stages of the cell cycle are:

The phase of mitosis in which the centromeres split and sister chromatids are pulled to opposite poles of the cell is:

The phase of mitosis in which the nuclear envelope breaks into small pieces is:

What Is Life

The Chemistry of Life

The Dynamic Cell

The Energy of Life

Photosynthesis

How Cells Release Energy

Dna Structure and Gene Function

Sexual Reproduction and Meiosis

Patterns of Inheritance

The Forces of Evolutionary Change

Evidence for Evolution

Speciation and Extinction

The Origin and History of Life

Viruses

Bacteria and Archaea

Protists

Plants

Fungi

Animals

Plant Form and Function

Plant Nutrition and Transport

Reproduction and Development of Flowering Plants

Animal Tissues, organ Systems and Homeostasis

The Nervous System

The Senses Content

The Endocrine System

The Musculoskeletal System

The Circulatory System

The Respiratory System

Digestion and Animal Nutrition

Regulation of Temperature and Body Fluids

The Immune System

Animal Reproduction and Development

Animal Behavior

Populations

Communities and Ecosystems

The Biosphere

Conserving Biodiversity

Filters

Most bacteriophages consist of only a _ coat and a ______ core.