Question 1

If the haploid number of a mammalian cell is 32, there will be _______ sister chromatids during metaphase of mitosis.

Accepted Answer

A)  4 
B)  16 
C)  32 
D)  64 
E)  128 
A)  4 
B)  16 
C)  32 
D)  64 
E)  128

Question 2

The spindle forms during _______ of mitosis.

Accepted Answer

A)  anaphase 
B)  metaphase 
C)  prophase 
D)  telophase 
E)  None of the above; the spindle does not form during mitosis. 
A)  anaphase 
B)  metaphase 
C)  prophase 
D)  telophase 
E)  None of the above; the spindle does not form during mitosis.

Question 3

The process of programmed cell death is called

Accepted Answer

A)  necrosis. 
B)  lysis. 
C)  cell displacement. 
D)  apoptosis. 
E)  cytokinesis. 
A)  necrosis. 
B)  lysis. 
C)  cell displacement. 
D)  apoptosis. 
E)  cytokinesis.

Question 4

Which of the following is true about anaphase of mitosis?

Accepted Answer

A)  It is the phase when sister chromatids separate and move to opposite poles. 
B)  It involves chromosomes lining up at the equatorial plate. 
C)  It occurs before the nuclear envelope breaks down. 
D)  It takes place just before cytokinesis. 
E)  It takes place immediately after prophase. 
A)  It is the phase when sister chromatids separate and move to opposite poles. 
B)  It involves chromosomes lining up at the equatorial plate. 
C)  It occurs before the nuclear envelope breaks down. 
D)  It takes place just before cytokinesis. 
E)  It takes place immediately after prophase.

Question 5

G2 phase always follows _______ phase.

Accepted Answer

The answer of G2 phase always follows _______ phase....

Question 6

Late in mitotic anaphase, a cell with 28 daughter chromosomes has _______ centromeres in the dividing cell.

Accepted Answer

A)  no 
B)  14 
C)  28 
D)  56 
E)  None of the above 
A)  no 
B)  14 
C)  28 
D)  56 
E)  None of the above

Question 7

The diagnosis of Down syndrome is made by examining the individual's

Accepted Answer

A)  spores. 
B)  karyotype. 
C)  chromatin. 
D)  nucleosomes. 
E)  kinetochores. 
A)  spores. 
B)  karyotype. 
C)  chromatin. 
D)  nucleosomes. 
E)  kinetochores.

Question 8

The haploid number in Drosophila melanogaster is 4.How many chromosomes would a trisomic individual have?

Accepted Answer

A)  3 
B)  7 
C)  8 
D)  9 
E)  12 
A)  3 
B)  7 
C)  8 
D)  9 
E)  12

Question 9

Refer to the figure showing a phase of mitosis.   Which cell structures are indicated by the two leader lines?

Accepted Answer

A)  Chromosomes 
B)  Centromeres 
C)  Chromatids 
D)  Kinetochore microtubules 
E)  Centrioles 
A)  Chromosomes 
B)  Centromeres 
C)  Chromatids 
D)  Kinetochore microtubules 
E)  Centrioles

Question 10

During mitosis and meiosis the chromatin compacts.Which process takes place more easily because of this compaction?

Accepted Answer

A)  The orderly distribution of genetic material to two new nuclei 
B)  DNA replication 
C)  The exposing of the genetic information on the DNA 
D)  The unwinding of DNA from the histones 
E)  The disappearance of the nuclear membrane 
A)  The orderly distribution of genetic material to two new nuclei 
B)  DNA replication 
C)  The exposing of the genetic information on the DNA 
D)  The unwinding of DNA from the histones 
E)  The disappearance of the nuclear membrane

Question 11

The process that ensures that genetic information is passed on to a cell's daughter cells is _______.

Accepted Answer

The answer of The process that ensures that genetic information...

Question 12

The energy to move chromosomes during mitosis is provided by

Accepted Answer

A)  centrioles. 
B)  DNA polymerization. 
C)  ATP. 
D)  formation of the cell plate. 
E)  None of the above; energy is not required for this action. 
A)  centrioles. 
B)  DNA polymerization. 
C)  ATP. 
D)  formation of the cell plate. 
E)  None of the above; energy is not required for this action.

Question 13

In mitotic metaphase, a cell with eight sister chromatids has _______ centromere(s).

Accepted Answer

A)  no 
B)  one 
C)  two 
D)  four 
E)  eight 
A)  no 
B)  one 
C)  two 
D)  four 
E)  eight

Question 14

Refer to the figure showing cyclin binding to Cdk.   The regulation carried out by cyclins and Cdk's varies across the cell cycle.What is the primary reason for this variation?

Accepted Answer

The concentration of

Question 15

Maternal chromosome 1, paternal chromosome 2, and maternal chromosome 3 go to the same pole during meiosis.This is an example of

Accepted Answer

A)  crossing over. 
B)  allopolyploidy. 
C)  autopolyploidy. 
D)  independent assortment. 
E)  chiasmata formation. 
A)  crossing over. 
B)  allopolyploidy. 
C)  autopolyploidy. 
D)  independent assortment. 
E)  chiasmata formation.

Question 16

The exchange of genetic material between chromatids on homologous chromosomes occurs during

Accepted Answer

A)  interphase. 
B)  mitosis and meiosis. 
C)  prophase I. 
D)  anaphase I. 
E)  anaphase II. 
A)  interphase. 
B)  mitosis and meiosis. 
C)  prophase I. 
D)  anaphase I. 
E)  anaphase II.

Question 17

A set of cells in the intestinal epithelium divides continually in order to replace dead cells.A microscopic examination of this population of cells would show that most of them

Accepted Answer

A)  have condensed chromatin. 
B)  are in meiosis. 
C)  are in mitosis. 
D)  are in interphase. 
E)  Both a and b 
A)  have condensed chromatin. 
B)  are in meiosis. 
C)  are in mitosis. 
D)  are in interphase. 
E)  Both a and b

Question 18

A species of a grass has a haploid number of 14.How many different types of gametes can be produced from meiosis in a diploid individual from independent assortment alone (i.e., no crossing over)?

Accepted Answer

A)  27 
B)  214 
C)  228 
D)  142 
E)  282 
A)  27 
B)  214 
C)  228 
D)  142 
E)  282

Question 19

A typical complete eukaryotic cell cycle consists of

Accepted Answer

A)  mitosis and meiosis. 
B)  G1, the S phase, and G2. 
C)  prophase, metaphase, anaphase, and telophase. 
D)  interphase, mitosis, and cytokinesis. 
E)  meiosis and fertilization. 
A)  mitosis and meiosis. 
B)  G1, the S phase, and G2. 
C)  prophase, metaphase, anaphase, and telophase. 
D)  interphase, mitosis, and cytokinesis. 
E)  meiosis and fertilization.

Question 20

If a zygote of a species has 38 chromosomes, then a gamete would have _______ chromosomes.

Accepted Answer

The answer of If a zygote of a species has...

Exam 11: The Cell Cycle and Cell Division

If the haploid number of a mammalian cell is 32, there will be _______ sister chromatids during metaphase of mitosis.

The spindle forms during _______ of mitosis.

The process of programmed cell death is called

Which of the following is true about anaphase of mitosis?

G2 phase always follows _______ phase.

Late in mitotic anaphase, a cell with 28 daughter chromosomes has _______ centromeres in the dividing cell.

The diagnosis of Down syndrome is made by examining the individual's

The haploid number in Drosophila melanogaster is 4.How many chromosomes would a trisomic individual have?

Refer to the figure showing a phase of mitosis. Which cell structures are indicated by the two leader lines?

During mitosis and meiosis the chromatin compacts.Which process takes place more easily because of this compaction?

The process that ensures that genetic information is passed on to a cell's daughter cells is _______.

The energy to move chromosomes during mitosis is provided by

In mitotic metaphase, a cell with eight sister chromatids has _______ centromere(s).

Refer to the figure showing cyclin binding to Cdk. The regulation carried out by cyclins and Cdk's varies across the cell cycle.What is the primary reason for this variation?

Maternal chromosome 1, paternal chromosome 2, and maternal chromosome 3 go to the same pole during meiosis.This is an example of

The exchange of genetic material between chromatids on homologous chromosomes occurs during

A set of cells in the intestinal epithelium divides continually in order to replace dead cells.A microscopic examination of this population of cells would show that most of them

A species of a grass has a haploid number of 14.How many different types of gametes can be produced from meiosis in a diploid individual from independent assortment alone (i.e., no crossing over)?

A typical complete eukaryotic cell cycle consists of

If a zygote of a species has 38 chromosomes, then a gamete would have _______ chromosomes.

Studying Life

Small Molecules and the Chemistry of Life

Proteins, Carbohydrates, and Lipids

Nucleic Acids and the Origin of Life

Cells: the Working Units of Life

Cell Membranes

Cell Communication and Multicellularity

Energy, Enzymes, and Metabolism

Pathways That Harvest Chemical Energy

Photosynthesis: Energy From Sunlight

Inheritance, Genes, and Chromosomes

Dna and Its Role in Heredity

From Dna to Protein: Gene Expression

Gene Mutation and Molecular Medicine

Regulation of Gene Expression

Genomes

Recombinant Dna and Biotechnology

Mechanisms of Evolution

Reconstructing and Using Phylogenies

Speciation

Evolution of Genes and Genomes

The History of Life on Earth

Bacteria, Archaea, and Viruses

The Origin and Diversification of Eukaryotes

Plants Without Seeds: From Water to Land

The Evolution of Seed Plants

The Evolution and Diversity of Fungi

Animal Origins and the Evolution of Body Plans

Protostome Animals

Deuterostome Animals

The Plant Body

Transport in Plants

Plant Nutrition

Regulation of Plant Growth

Reproduction in Flowering Plants

Plant Responses to Environmental Challenges

Physiology, Homeostasis, and Temperature Regulation

Animal Hormones

Immunology: Animal Defense Systems

Animal Reproduction

Animal Development

Neurons, Glia, and Nervous Systems

Sensory Systems

The Mammalian Nervous System: Structure and Higher Functions

Musculoskeletal Systems

Gas Exchange

Circulatory Systems

Nutrition, Digestion, and Absorption

Salt and Water Balance and Nitrogen Excretion

Animal Behavior

The Physical Environment and Biogeography of Life

Populations

Species Interactions

Communities

Ecosystems

A Changing Biosphere

Filters