Question 1

Centriole replication occurs during ____. ​

Accepted Answer

A) G1 phase 
B) S phase 
C) G2 phase 
D) prophase 
E) telophase 
A) G1 phase 
B) S phase 
C) G2 phase 
D) prophase 
E) telophase

Question 2

Match between columns
                        Premises: intracellular levels fluctuate throughout the cell cycle

Accepted Answer

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

Question 3

Match between columns
                        Premises: mitotic spindle disassembles

Accepted Answer

The Answer of prophase  and telophase and metaphase and is...

Question 4

Oncogenes are often ____. ​

Accepted Answer

A) mutant forms of cell cycle genes ​ 
B) normal forms of cell cycle genes 
C) needed for normal cells to metastasize 
D) required for normal contact inhibition of cells 
E) not involved in cell division 
A) mutant forms of cell cycle genes ​ 
B) normal forms of cell cycle genes 
C) needed for normal cells to metastasize 
D) required for normal contact inhibition of cells 
E) not involved in cell division

Question 5

Bacterial cells typically have ____ while eukaryotic cells have ____.

Accepted Answer

A) a single circular chromosome; many linear chromosomes 
B) several circular chromosomes; many linear chromosomes 
C) one linear chromosome; many circular chromosomes 
D) two circular chromosomes; numerous circular chromosomes depending on the species 
E) numerous circular chromosomes depending on the species; many linear chromosomes 
A) a single circular chromosome; many linear chromosomes 
B) several circular chromosomes; many linear chromosomes 
C) one linear chromosome; many circular chromosomes 
D) two circular chromosomes; numerous circular chromosomes depending on the species 
E) numerous circular chromosomes depending on the species; many linear chromosomes

Question 6

The microtubules of the mitotic spindle originate from the ____ in both plant and animal cells.

Accepted Answer

A) microtubule organizing centers (MTOCs) 
B) centromere 
C) chromatid 
D) centriole 
E) centrosome 
A) microtubule organizing centers (MTOCs) 
B) centromere 
C) chromatid 
D) centriole 
E) centrosome

Question 7

Match between columns
                        Premises: spindle fiber begins to form

Accepted Answer

The Answer of anaphase and telophase and prometaphase and metaphase is...

Question 8

What is the purpose of mitosis in living organisms?

Accepted Answer

Multicellular organisms mainly

Question 9

What is the role of Cdks?

Accepted Answer

A) to add phosphate groups to target proteins ​ 
B) to check for proper attachment of spindle fibers to chromosomes 
C) to remove phosphate groups from cyclins 
D) to arrest the cell cycle 
E) to allow the cell cycle to work forward or backward 
A) to add phosphate groups to target proteins ​ 
B) to check for proper attachment of spindle fibers to chromosomes 
C) to remove phosphate groups from cyclins 
D) to arrest the cell cycle 
E) to allow the cell cycle to work forward or backward

Question 10

Compared to the parent cell, each of two daughter cells that result from normal mitotic division contains ____ chromosomes and is genetically ____. ​

Accepted Answer

A) the same number of; different 
B) the same number of; identical 
C) half the number of; different 
D) half the number of; identical 
E) double the number of; identical 
A) the same number of; different 
B) the same number of; identical 
C) half the number of; different 
D) half the number of; identical 
E) double the number of; identical

Question 11

Cytokinesis typically begins during which stage of mitosis? ​

Accepted Answer

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

Question 12

In early experiments to understand the control of the cell cycle, researchers fused HeLa cells that were at different stages of the cell cycle. What did the results of these experiments suggest? ​

Accepted Answer

A) The concentrations of cyclin dependent kinases (Cdks)fluctuate throughout the cell cycle. 
B) The concentrations of cyclins fluctuate throughout the cell cycle. 
C) The cell cycle has three checkpoints through which the cell must pass in order to progress through to mitosis. 
D) Microtubules play an essential role in the progression of the cell cycle. 
E) Molecules in the cytoplasm control the progression of the cell cycle. 
A) The concentrations of cyclin dependent kinases (Cdks)fluctuate throughout the cell cycle. 
B) The concentrations of cyclins fluctuate throughout the cell cycle. 
C) The cell cycle has three checkpoints through which the cell must pass in order to progress through to mitosis. 
D) Microtubules play an essential role in the progression of the cell cycle. 
E) Molecules in the cytoplasm control the progression of the cell cycle.

Question 13

If a cell has 36 chromosomes at the beginning of G1, how many chromosomes will be present at the end of G2?

Accepted Answer

A) 36 ​ 
B) 18 
C) 72 
D) 64 
E) 44 
A) 36 ​ 
B) 18 
C) 72 
D) 64 
E) 44

Question 14

Colchicine, a chemical extracted from the autumn crocus (C olchicum autumnale ), inhibits the formation of microtubules. Mitotic cells exposed to colchicine will therefore be arrested at ____. ​

Accepted Answer

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

Question 15

The mitotic spindle is primarily composed of ____. ​

Accepted Answer

A) actin 
B) intermediate filaments 
C) microtubules 
D) keratin 
E) motor proteins 
A) actin 
B) intermediate filaments 
C) microtubules 
D) keratin 
E) motor proteins

Question 16

The cells produced by mitotic divisions are considered to be ____ the original cell. ​

Accepted Answer

A) smaller versions of ​ 
B) genetically unique from 
C) clones of 
D) mutants of 
E) plasmids of 
A) smaller versions of ​ 
B) genetically unique from 
C) clones of 
D) mutants of 
E) plasmids of

Question 17

The microtubules making up the mitotic spindle attach to specialized structures called ____ that are found in the centromere region of the chromosome.

Accepted Answer

A) nucleosomes ​ 
B) centrosomes 
C) kinetochores 
D) chromatids 
E) centrioles ​ 
A) nucleosomes ​ 
B) centrosomes 
C) kinetochores 
D) chromatids 
E) centrioles ​

Question 18

In plants, the microtubules organizing centers are comprised of microtubules.

Accepted Answer

A) True 
 B)False

Question 19

Chromosomes decondense into chromatin at which point in the cell cycle? ​

Accepted Answer

A) at the beginning of S phase 
B) at the end of interphase 
C) at the beginning of prophase 
D) at the beginning of metaphase 
E) at the end of telophase 
A) at the beginning of S phase 
B) at the end of interphase 
C) at the beginning of prophase 
D) at the beginning of metaphase 
E) at the end of telophase

Question 20

Karyotype analyses are performed on cells in ____ of mitosis.

Accepted Answer

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

Exam 10: Cell Division and Mitosis

Centriole replication occurs during ____. ​

Oncogenes are often ____. ​

Bacterial cells typically have ____ while eukaryotic cells have ____.

The microtubules of the mitotic spindle originate from the ____ in both plant and animal cells.

What is the purpose of mitosis in living organisms?

What is the role of Cdks?

Compared to the parent cell, each of two daughter cells that result from normal mitotic division contains ____ chromosomes and is genetically ____. ​

Cytokinesis typically begins during which stage of mitosis? ​

In early experiments to understand the control of the cell cycle, researchers fused HeLa cells that were at different stages of the cell cycle. What did the results of these experiments suggest? ​

If a cell has 36 chromosomes at the beginning of G1, how many chromosomes will be present at the end of G2?

Colchicine, a chemical extracted from the autumn crocus (C olchicum autumnale ), inhibits the formation of microtubules. Mitotic cells exposed to colchicine will therefore be arrested at ____. ​

The mitotic spindle is primarily composed of ____. ​

The cells produced by mitotic divisions are considered to be ____ the original cell. ​

The microtubules making up the mitotic spindle attach to specialized structures called ____ that are found in the centromere region of the chromosome.

In plants, the microtubules organizing centers are comprised of microtubules.

Chromosomes decondense into chromatin at which point in the cell cycle? ​

Karyotype analyses are performed on cells in ____ of mitosis.

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

Centriole replication occurs during ____.

Oncogenes are often ____.

Bacterial cells typically have while eukaryotic cells have .

Compared to the parent cell, each of two daughter cells that result from normal mitotic division contains chromosomes and is genetically .

Cytokinesis typically begins during which stage of mitosis?

In early experiments to understand the control of the cell cycle, researchers fused HeLa cells that were at different stages of the cell cycle. What did the results of these experiments suggest?

If a cell has 36 chromosomes at the beginning of G₁, how many chromosomes will be present at the end of G₂?

Colchicine, a chemical extracted from the autumn crocus (C olchicum autumnale ), inhibits the formation of microtubules. Mitotic cells exposed to colchicine will therefore be arrested at ____.

The mitotic spindle is primarily composed of ____.

The cells produced by mitotic divisions are considered to be ____ the original cell.

Chromosomes decondense into chromatin at which point in the cell cycle?