Question 1

Which sequence of the cell cycle is correct? ​

Accepted Answer

A) prophase, metaphase, interphase, telophase, anaphase 
B) prometaphase, anaphase, prophase, telophase, interphase, metaphase ​ 
C) anaphase, interphase, telophase, prometaphase, prophase, metaphase 
D) interphase, prophase, prometaphase, metaphase, anaphase, telophase 
E) interphase, metaphase, prometaphase, prophase, telophase, anaphase 
A) prophase, metaphase, interphase, telophase, anaphase 
B) prometaphase, anaphase, prophase, telophase, interphase, metaphase ​ 
C) anaphase, interphase, telophase, prometaphase, prophase, metaphase 
D) interphase, prophase, prometaphase, metaphase, anaphase, telophase 
E) interphase, metaphase, prometaphase, prophase, telophase, anaphase D

Question 2

During prokaryotic cell division, two chromosomes separate and are distributed to the two ends of the cell by ____.

Accepted Answer

A) the action of the mitotic spindle ​ 
B) an unknown mechanism 
C) attachment to actin 
D) attachment to separating membrane regions 
E) formation of a newly made cell wall 
A) the action of the mitotic spindle ​ 
B) an unknown mechanism 
C) attachment to actin 
D) attachment to separating membrane regions 
E) formation of a newly made cell wall B

Question 3

A plant cell with three sets of chromosomes is ____. ​

Accepted Answer

A) haploid ​ 
B) diploid 
C) triploid 
D) tetraploid 
E) hexaploid 
A) haploid ​ 
B) diploid 
C) triploid 
D) tetraploid 
E) hexaploid C

Question 4

During which phase(s)of mitosis are chromosomes composed of two sister chromatids? ​

Accepted Answer

A) prophase and prometaphase only ​ 
B) prophase, prometaphase and metaphase 
C) prophase, prometaphase, metaphase and anaphase 
D) anaphase and telophase only 
E) all phases of mitosis ​ 
A) prophase and prometaphase only ​ 
B) prophase, prometaphase and metaphase 
C) prophase, prometaphase, metaphase and anaphase 
D) anaphase and telophase only 
E) all phases of mitosis ​

Question 5

A cell is committed to progressing through the cell cycle through to mitosis once it transitions from ____. ​

Accepted Answer

A) G2 to prophase 
B) G1 to G0 
C) G1 to S 
D) S to G2 
E) telophase to cytokinesis 
A) G2 to prophase 
B) G1 to G0 
C) G1 to S 
D) S to G2 
E) telophase to cytokinesis

Question 6

During ____, microtubules disassemble, pulling the chromatids to the ends of the spindle. ​

Accepted Answer

A) prophase ​ 
B) interphase 
C) anaphase 
D) metaphase 
E) telophase 
A) prophase ​ 
B) interphase 
C) anaphase 
D) metaphase 
E) telophase

Question 7

Which statement characterizes cancer cells? ​

Accepted Answer

A) Mitosis in cancer cells is strictly regulated. ​ 
B) Cancer cells form tumors that adhere strongly to surrounding tissues. 
C) Cancer cells display uncontrolled cell division. ​ 
D) Tumors formed by cancer cells remain encapsulated and only grow in one location. 
E) Cancer cells behave like normal cells. 
A) Mitosis in cancer cells is strictly regulated. ​ 
B) Cancer cells form tumors that adhere strongly to surrounding tissues. 
C) Cancer cells display uncontrolled cell division. ​ 
D) Tumors formed by cancer cells remain encapsulated and only grow in one location. 
E) Cancer cells behave like normal cells.

Question 8

Organisms that reproduce asexually usually do so through the process of ____. ​

Accepted Answer

A) mitosis ​ 
B) meiosis 
C) gametogenesis 
D) spore formation 
E) fertilization 
A) mitosis ​ 
B) meiosis 
C) gametogenesis 
D) spore formation 
E) fertilization

Question 9

Generally, which phase of the cell cycle varies the most in length? ​

Accepted Answer

A) G1 ​ 
B) S 
C) G2 
D) M ​ 
E) All phases are the same length among cells 
A) G1 ​ 
B) S 
C) G2 
D) M ​ 
E) All phases are the same length among cells

Question 10

Which statement best describes the difference between cell division in plant and animal cells? ​

Accepted Answer

A) Cytokinesis occurs by formation of a cleavage furrow in animal cells, but not plant cells. 
B) Cytokinesis occurs by formation of a cleavage furrow in plant cells, but not animal cells. 
C) Centrosomes play an important role in spindle formation in plant cells, but not in animal cells. 
D) Chromosome replication occurs during interphase in animal cells, while in plant cells, replication occurs when the nuclear envelope disintegrates. 
E) Animal cells divide via the cell cycle whereas plant cells divide by binary fission. 
A) Cytokinesis occurs by formation of a cleavage furrow in animal cells, but not plant cells. 
B) Cytokinesis occurs by formation of a cleavage furrow in plant cells, but not animal cells. 
C) Centrosomes play an important role in spindle formation in plant cells, but not in animal cells. 
D) Chromosome replication occurs during interphase in animal cells, while in plant cells, replication occurs when the nuclear envelope disintegrates. 
E) Animal cells divide via the cell cycle whereas plant cells divide by binary fission.

Question 11

Experiments that led to the understanding of cell cycle control were performed on yeast.

Accepted Answer

A) True 
 B)False

Question 12

The ____ genome was the first eukaryotic genome to be sequenced. ​

Accepted Answer

A) Escherichia coli 
B) Caenorhabditis elegans 
C) Drosophila melanogaster 
D) Saccharomyces cerevisiae 
E) Schizosaccharomyces pombe 
A) Escherichia coli 
B) Caenorhabditis elegans 
C) Drosophila melanogaster 
D) Saccharomyces cerevisiae 
E) Schizosaccharomyces pombe

Question 13

At the conclusion of S phase, a diploid cell with 40 chromosomes will have ____ chromosomes and _____ sister chromatids. ​

Accepted Answer

A) 20; 40 ​ 
B) 20; 20 
C) 40; 40 
D) 40; 80 
E) 80; 80 
A) 20; 40 ​ 
B) 20; 20 
C) 40; 40 
D) 40; 80 
E) 80; 80

Question 14

Histones are positively charged proteins that complex with DNA in eukaryotic chromosomes.

Accepted Answer

A) True 
 B)False

Question 15

Research conducted by G.J. Gorbsky and colleagues suggests that during anaphase, chromosomes move as a consequence of ____. ​

Accepted Answer

A) a combined action of actin and microtubules 
B) the disassembly of kinetochore microtubules 
C) the movement of kinetochore microtubules 
D) constriction of the contractile protein actin 
E) sliding over or along kinetochore microtubules 
A) a combined action of actin and microtubules 
B) the disassembly of kinetochore microtubules 
C) the movement of kinetochore microtubules 
D) constriction of the contractile protein actin 
E) sliding over or along kinetochore microtubules

Question 16

Explain how the nonkinetochore microtubules lead to the elongation of the cell during anaphase.

Accepted Answer

Two different mechanisms are responsible

Question 17

How many unique chromosomes does an organism with a chromosome number of 4 n =32 have? Assume that none of these are sex chromosomes, and do not count any duplicate homologous chromosomes in this number. ​

Accepted Answer

A) 4 ​ 
B) 8 
C) 16 
D) 32 
E) 64 
A) 4 ​ 
B) 8 
C) 16 
D) 32 
E) 64

Question 18

If a dividing cell had no functional Cdk2 protein, the cell would not be able to ____. ​

Accepted Answer

A) phosphorylate cyclins ​ 
B) transcribe the Cdk2 gene 
C) enter G1 
D) translate cyclin mRNA 
E) degrade cyclins 
A) phosphorylate cyclins ​ 
B) transcribe the Cdk2 gene 
C) enter G1 
D) translate cyclin mRNA 
E) degrade cyclins

Question 19

Match between columns
                        Premises: binds to, and activates, Cdk

Accepted Answer

The Answer of cyclins and Cdk/cyclin complex and growth factors is...

Question 20

Match between columns
                        Premises: intracellular levels remain constant throughout the cell cycle

Accepted Answer

The Answer of cyclins and Cdk/cyclin complex and growth factors is...

Exam 10: Cell Division and Mitosis

Which sequence of the cell cycle is correct? ​

During prokaryotic cell division, two chromosomes separate and are distributed to the two ends of the cell by ____.

A plant cell with three sets of chromosomes is ____. ​

During which phase(s)of mitosis are chromosomes composed of two sister chromatids? ​

A cell is committed to progressing through the cell cycle through to mitosis once it transitions from ____. ​

During ____, microtubules disassemble, pulling the chromatids to the ends of the spindle. ​

Which statement characterizes cancer cells? ​

Organisms that reproduce asexually usually do so through the process of ____. ​

Generally, which phase of the cell cycle varies the most in length? ​

Which statement best describes the difference between cell division in plant and animal cells? ​

Experiments that led to the understanding of cell cycle control were performed on yeast.

The ____ genome was the first eukaryotic genome to be sequenced. ​

At the conclusion of S phase, a diploid cell with 40 chromosomes will have ____ chromosomes and _____ sister chromatids. ​

Histones are positively charged proteins that complex with DNA in eukaryotic chromosomes.

Research conducted by G.J. Gorbsky and colleagues suggests that during anaphase, chromosomes move as a consequence of ____. ​

Explain how the nonkinetochore microtubules lead to the elongation of the cell during anaphase.

How many unique chromosomes does an organism with a chromosome number of 4 n =32 have? Assume that none of these are sex chromosomes, and do not count any duplicate homologous chromosomes in this number. ​

If a dividing cell had no functional Cdk2 protein, the cell would not be able to ____. ​

Introduction to Biological Concepts and Research

Life, Chemistry, and Water

Biological Molecules: the Carbon Compounds of Life

Cells

Membranes and Transport

Energy, Enzymes, and Biological Reactions

Cellular Respiration: Harvesting Chemical Energy

Photosynthesis

Cell Communication

Meiosis: the Cellular Basis of Sexual Reproduction

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

DNA Structure, Replication, and Organization

From DNA to Protein

Regulation of Gene Expression

Bacterial and Viral Genetics

Dna Technologies: Making and Using Genetically Altered Organisms, and Other Applications

Genomes and Proteomes

The Development of Evolutionary Thought

Microevolution: Genetic Changes Within Populations

Speciation

Paleobiology and Macroevolution

Systematic Biology: Phylogeny and Classification

The Origin of Life

Prokaryotes and Viruses

Protists

Seedless Plants

Seed Plants

Fungi

Animal Phylogeny, Acoelomates, and Protostomes

Deuterostomes: Vertebrates and Their Closest Relatives

The Plant Body

Transport in Plants

Plant Nutrition

Reproduction and Development in Flowering Plants

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Information Flow and the Neuron

Nervous Systems

Sensory Systems

The Endocrine System

Muscles, Bones, and Body Movements

The Circulatory System

Defenses Against Disease

Gas Exchange: the Respiratory System

Animal Nutrition

Regulating the Internal Environment

Animal Reproduction

Animal Development

Ecology and the Biosphere

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Biodiversity and Conservation Biology

Animal Behavior

Filters

Which sequence of the cell cycle is correct?

A plant cell with three sets of chromosomes is ____.

During which phase(s)of mitosis are chromosomes composed of two sister chromatids?

A cell is committed to progressing through the cell cycle through to mitosis once it transitions from ____.

During ____, microtubules disassemble, pulling the chromatids to the ends of the spindle.

Which statement characterizes cancer cells?

Organisms that reproduce asexually usually do so through the process of ____.

Generally, which phase of the cell cycle varies the most in length?

Which statement best describes the difference between cell division in plant and animal cells?

The ____ genome was the first eukaryotic genome to be sequenced.

At the conclusion of S phase, a diploid cell with 40 chromosomes will have chromosomes and _ sister chromatids.

Research conducted by G.J. Gorbsky and colleagues suggests that during anaphase, chromosomes move as a consequence of ____.

How many unique chromosomes does an organism with a chromosome number of 4 n =32 have? Assume that none of these are sex chromosomes, and do not count any duplicate homologous chromosomes in this number.

If a dividing cell had no functional Cdk2 protein, the cell would not be able to ____.