Question 1

Division of thcytoplasm

Accepted Answer

A) in animal cells begins with various deposits of material associated with groups of microtubules at each pole of the nucleus. 
B) in animal cells occurs when the plasma membrane is pulled inward by a ring of microtubules that has become attached to the cell plate. 
C) usually precedes nuclear division. 
D) in plant cells begins with the deposition of a very rigid lipid bilayer, which is the major constituent of the cell wall. 
E) is visible as a cleavage furrow caused by actin filaments in the cell's midsection. 
A) in animal cells begins with various deposits of material associated with groups of microtubules at each pole of the nucleus. 
B) in animal cells occurs when the plasma membrane is pulled inward by a ring of microtubules that has become attached to the cell plate. 
C) usually precedes nuclear division. 
D) in plant cells begins with the deposition of a very rigid lipid bilayer, which is the major constituent of the cell wall. 
E) is visible as a cleavage furrow caused by actin filaments in the cell's midsection. E

Question 2

Four of thfivanswers listebelow archaracteristic to meiosis.Select thEXCEPTION.

Accepted Answer

A) involves two divisions 
B) reduces the number of chromosomes 
C) results in producing genetically identical cells 
D) produces haploid cells 
E) involves pairing of homologous chromosomes 
A) involves two divisions 
B) reduces the number of chromosomes 
C) results in producing genetically identical cells 
D) produces haploid cells 
E) involves pairing of homologous chromosomes C

Question 3

DNA is replicateduring

Accepted Answer

A) the G1 stage. 
B) the S stage. 
C) the G2 stage. 
D) the M phase. 
E) cytokinesis. 
A) the G1 stage. 
B) the S stage. 
C) the G2 stage. 
D) the M phase. 
E) cytokinesis. B

Question 4

Usually growth of cells that do not posa threat to surrounding tissues artermed

Accepted Answer

A) malignant. 
B) benign. 
C) metastatic. 
D) carcinogenic. 
E) repressed. 
A) malignant. 
B) benign. 
C) metastatic. 
D) carcinogenic. 
E) repressed.

Question 5

When grown in a laboratory, human cells

Accepted Answer

A) tend to divide less. 
B) tend to die quickly. 
C) tend to divide more. 
D) tend to divide less and to die quickly. 
E) tend to divide more and to die quickly. 
A) tend to divide less. 
B) tend to die quickly. 
C) tend to divide more. 
D) tend to divide less and to die quickly. 
E) tend to divide more and to die quickly.

Question 6

Which of thfollowing cells is NOT haploid?

Accepted Answer

A) secondary spermatocyte 
B) sperm 
C) oocyte 
D) spermatids 
E) polar body 
A) secondary spermatocyte 
B) sperm 
C) oocyte 
D) spermatids 
E) polar body

Question 7

Which of thfollowing occurs in prophasI, but does NOT occur in prophasII?

Accepted Answer

A) crossing over 
B) pairing of homologous chromosomes 
C) disappearance of the nuclear envelope 
D) crossing over and pairing of homologous chromosomes 
E) crossing over, pairing of homologous chromosomes, and disappearance of the nuclear envelope 
A) crossing over 
B) pairing of homologous chromosomes 
C) disappearance of the nuclear envelope 
D) crossing over and pairing of homologous chromosomes 
E) crossing over, pairing of homologous chromosomes, and disappearance of the nuclear envelope

Question 8

Thessencof meiosis is that

Accepted Answer

A) gametes receive two copies of each member of each pair of homologous chromosomes. 
B) gametes are formed that are diploids. 
C) each gamete receives one member of each pair of homologous chromosomes. 
D) gametes are formed that are haploids. 
E) each gamete receives one member of each pair of homologous chromosomes, and gametes are formed that are haploids. 
A) gametes receive two copies of each member of each pair of homologous chromosomes. 
B) gametes are formed that are diploids. 
C) each gamete receives one member of each pair of homologous chromosomes. 
D) gametes are formed that are haploids. 
E) each gamete receives one member of each pair of homologous chromosomes, and gametes are formed that are haploids.

Question 9

-Which of thfollowing statements is INCORRECT?

Accepted Answer

A) One diploid parent cell produces two diploid daughter cells. 
B) Genes and chromosomes are duplicated during prophase. 
C) There are a specific number of chromosomes for each species. 
D) New nuclei are formed during telophase. 
E) Cytoplasmic division is the final act in cell division. 
A) One diploid parent cell produces two diploid daughter cells. 
B) Genes and chromosomes are duplicated during prophase. 
C) There are a specific number of chromosomes for each species. 
D) New nuclei are formed during telophase. 
E) Cytoplasmic division is the final act in cell division.

Question 10

Fertilization of plant gametes produces a

Accepted Answer

A) zygote. 
B) gametophyte. 
C) spore. 
D) meiospore. 
E) multicellular haploid plant. 
A) zygote. 
B) gametophyte. 
C) spore. 
D) meiospore. 
E) multicellular haploid plant.

Question 11

Which of thfollowing is a phasof mitosis?

Accepted Answer

A) anaphase 
B) telophase 
C) prophase 
D) metaphase 
E) all of these 
A) anaphase 
B) telophase 
C) prophase 
D) metaphase 
E) all of these

Question 12

Mitosis ancytoplasmic division arresponsiblfor

Accepted Answer

A) the replacement of damaged cells. 
B) increase in body size during development. 
C) the replacement of dead cells. 
D) the replacement of damaged and dead cells. 
E) all of these. 
A) the replacement of damaged cells. 
B) increase in body size during development. 
C) the replacement of dead cells. 
D) the replacement of damaged and dead cells. 
E) all of these.

Question 13

Thchromatids detach froonanother anbecomvisibly separatchromosomes during

Accepted Answer

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

Question 14

Thentirprocess of producing two cells frooncell

Accepted Answer

A) starts with prophase. 
B) ends with cytoplasmic division. 
C) results in the equal distribution of organelles between cells. 
D) occurs only in multicellular organisms. 
E) starts with prophase and ends with cytoplasmic division. 
A) starts with prophase. 
B) ends with cytoplasmic division. 
C) results in the equal distribution of organelles between cells. 
D) occurs only in multicellular organisms. 
E) starts with prophase and ends with cytoplasmic division.

Question 15

DNA replication occurs

Accepted Answer

A) between the gap phases of interphase. 
B) immediately before cytoplasmic division. 
C) immediately before mitosis. 
D) toward the end of mitosis. 
E) at any time during cell division. 
A) between the gap phases of interphase. 
B) immediately before cytoplasmic division. 
C) immediately before mitosis. 
D) toward the end of mitosis. 
E) at any time during cell division.

Question 16

Thcell in micrograph "II" is at which stagof thcell cycle?

Accepted Answer

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

Question 17

Thinterval beforthonset of DNA replication is

Accepted Answer

A) the S phase. 
B) the M phase. 
C) the G1 stage. 
D) the G2 stage. 
E) during all of the stages. 
A) the S phase. 
B) the M phase. 
C) the G1 stage. 
D) the G2 stage. 
E) during all of the stages.

Question 18

Thcell in micrograph "III" is at which stagof thcell cycle?

Accepted Answer

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

Question 19

After meiosis, resulting daughter cells arlikely to contain

Accepted Answer

A) the same number of chromosomes as the parent cell. 
B) half the number of chromosomes than the parent cell carries. 
C) twice the number of chromosomes than the parent cell carries. 
D) three times the number of chromosomes than the parent cell carries. 
E) four times the number of chromosomes than the parent cell carries. 
A) the same number of chromosomes as the parent cell. 
B) half the number of chromosomes than the parent cell carries. 
C) twice the number of chromosomes than the parent cell carries. 
D) three times the number of chromosomes than the parent cell carries. 
E) four times the number of chromosomes than the parent cell carries.

Question 20

Thchromosomes armoving to oppositpoles during

Accepted Answer

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

Exam 8: How Cells Reproduce

Division of thcytoplasm

Four of thfivanswers listebelow archaracteristic to meiosis.Select thEXCEPTION.

DNA is replicateduring

Usually growth of cells that do not posa threat to surrounding tissues artermed

When grown in a laboratory, human cells

Which of thfollowing cells is NOT haploid?

Which of thfollowing occurs in prophasI, but does NOT occur in prophasII?

Thessencof meiosis is that

-Which of thfollowing statements is INCORRECT?

Fertilization of plant gametes produces a

Which of thfollowing is a phasof mitosis?

Mitosis ancytoplasmic division arresponsiblfor

Thchromatids detach froonanother anbecomvisibly separatchromosomes during

Thentirprocess of producing two cells frooncell

DNA replication occurs

Thcell in micrograph "II" is at which stagof thcell cycle?

Thinterval beforthonset of DNA replication is

Thcell in micrograph "III" is at which stagof thcell cycle?

After meiosis, resulting daughter cells arlikely to contain

Thchromosomes armoving to oppositpoles during

Invitation to Biology

Molecules of Life

Cell Structure

Energy and Metabolism

Capturing and Releasing Energy

Dna Structure and Function

Gene Expression and Control

Patterns of Inheritance

Biotechnology

Evidence of Evolution

Processes of Evolution

Early Life Forms and the Viruses

Plants and Fungi

Animal Evolutionunit

Population Ecology

Communities and Ecosystems

The Biosphere and Human Eff Ects

Animal Tissues and Organs

How Animals Move

Circulation and Respiration

Immunity

Digestion and Excretion

Neural Control and the Senses

Endocrine Control

Reproduction and Development

Plant Form and Function

Plant Reproduction and Development

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