Question 1

In eukaryotic cells, which of thfollowing may occur during prophase?

Accepted Answer

A) the duplication of chromatids 
B) the replication of DNA 
C) synapsis and crossing over 
D) fragmentation and disappearance of the nuclear envelope 
E) all of these 
A) the duplication of chromatids 
B) the replication of DNA 
C) synapsis and crossing over 
D) fragmentation and disappearance of the nuclear envelope 
E) all of these

Question 2

In comparing mitosis anmeiosis, which of thfollowing statements is TRUE?

Accepted Answer

A) Meiosis I is more like mitosis than is meiosis II. 
B) Both processes result in four cells. 
C) Chromosome pairing occurs in both. 
D) Chromatids are present only in mitosis. 
E) Meiosis II resembles mitosis. 
A) Meiosis I is more like mitosis than is meiosis II. 
B) Both processes result in four cells. 
C) Chromosome pairing occurs in both. 
D) Chromatids are present only in mitosis. 
E) Meiosis II resembles mitosis.

Question 3

In mitosis, if a parent cell has 16 chromosomes, each daughter cell will havhow many chromosomes?

Accepted Answer

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

Question 4

Which of thfollowing stages of thcell cyclincludanaphase?

Accepted Answer

A) cytoplasmic division 
B) mitosis 
C) interphase 
D) G1 stage 
E) G2 stage 
A) cytoplasmic division 
B) mitosis 
C) interphase 
D) G1 stage 
E) G2 stage

Question 5

Which of thfollowing energy sourcfuels cell division in animal cells?

Accepted Answer

A) glucose 
B) ATP 
C) glycogen 
D) glycerol 
E) proteins 
A) glucose 
B) ATP 
C) glycogen 
D) glycerol 
E) proteins

Question 6

HeLa cells allowea formal identification of thcausativagent of

Accepted Answer

A) cholera. 
B) polio. 
C) chickenpox. 
D) Lassa fever. 
E) smallpox 
A) cholera. 
B) polio. 
C) chickenpox. 
D) Lassa fever. 
E) smallpox

Question 7

If a parent cell has 16 chromosomes, how many sister chromatids will bpresent after duplication of thchromosomes?

Accepted Answer

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

Question 8

Eukaryotic cells cannot simply dividin two because

Accepted Answer

A) only one of the offspring cells would inherit the genetic information. 
B) only one of the offspring cells would inherit the membrane proteins. 
C) only one of the offspring cells would inherit the extracellular matrix. 
D) only one of the offspring cells would inherit the membrane lipids. 
E) only one of the offspring cells would inherit the cytosol. 
A) only one of the offspring cells would inherit the genetic information. 
B) only one of the offspring cells would inherit the membrane proteins. 
C) only one of the offspring cells would inherit the extracellular matrix. 
D) only one of the offspring cells would inherit the membrane lipids. 
E) only one of the offspring cells would inherit the cytosol.

Question 9

Which of thfollowing statements is NOT true?

Accepted Answer

A) In asexual reproduction, the parent passes a complete set of genes to its offspring. 
B) In sexual reproduction, both meiosis and fertilization are usual events in the life cycle. 
C) In sexual reproduction, a human offspring receives two genes for every trait. 
D) Sexual reproduction puts together new combinations of genes. 
E) Sexual reproduction produces clones. 
A) In asexual reproduction, the parent passes a complete set of genes to its offspring. 
B) In sexual reproduction, both meiosis and fertilization are usual events in the life cycle. 
C) In sexual reproduction, a human offspring receives two genes for every trait. 
D) Sexual reproduction puts together new combinations of genes. 
E) Sexual reproduction produces clones.

Question 10

By thtimof birth, thhuman body contains approximately

Accepted Answer

A) thousands of cells. 
B) a million cells. 
C) 10 million cells. 
D) a billion cells. 
E) a trillion cells. 
A) thousands of cells. 
B) a million cells. 
C) 10 million cells. 
D) a billion cells. 
E) a trillion cells.

Question 11

Which of thfollowing statements concerning cancer is most accurate?

Accepted Answer

A) Neoplasms are usually cancerous. 
B) Tumor cells have lost their ability to stop cell division. 
C) Tumor cells have an increased capacity for adhesion. 
D) Benign tumors usually spread to other body parts. 
E) Metastasis is the spread of benign tumors. 
A) Neoplasms are usually cancerous. 
B) Tumor cells have lost their ability to stop cell division. 
C) Tumor cells have an increased capacity for adhesion. 
D) Benign tumors usually spread to other body parts. 
E) Metastasis is the spread of benign tumors.

Question 12

-Which of thfollowing statements is CORRECT?

Accepted Answer

A) After separation, the chromatids are called chromosomes. 
B) Old patches of the old nuclear envelope are used to build the two daughter nuclei. 
C) During anaphase, microtubules shorten. 
D) Telophase is essentially a reversal of the events of prophase. 
E) All of these are correct. 
A) After separation, the chromatids are called chromosomes. 
B) Old patches of the old nuclear envelope are used to build the two daughter nuclei. 
C) During anaphase, microtubules shorten. 
D) Telophase is essentially a reversal of the events of prophase. 
E) All of these are correct.

Question 13

If meiosis diNOT occur in sexual reproducing organisms,

Accepted Answer

A) growth of the zygote would be halted. 
B) mitosis would be sufficient. 
C) gametes would be haploids. 
D) the chromosome number would double each generation. 
E) eggs would be haploid, but sperm would be diploid. 
A) growth of the zygote would be halted. 
B) mitosis would be sufficient. 
C) gametes would be haploids. 
D) the chromosome number would double each generation. 
E) eggs would be haploid, but sperm would be diploid.

Question 14

Four of thfivanswers listebelow arhaploid.Select thEXCEPTION.

Accepted Answer

A) zygote 
B) spore 
C) egg 
D) sperm 
E) gametophyte 
A) zygote 
B) spore 
C) egg 
D) sperm 
E) gametophyte

Question 15

Gametformation is

Accepted Answer

A) the result of the process of meiosis. 
B) the pairing of homologous chromosomes. 
C) the formation of sex cells. 
D) the fusion of gametes. 
E) a process that occurs only in asexually reproducing forms. 
A) the result of the process of meiosis. 
B) the pairing of homologous chromosomes. 
C) the formation of sex cells. 
D) the fusion of gametes. 
E) a process that occurs only in asexually reproducing forms.

Question 16

Chromosomes araligneat thspindlequator during

Accepted Answer

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

Question 17

Pairehomologous chromosomes arfounat thspindlequator during

Accepted Answer

A) metaphase I. 
B) telophase I. 
C) prophase II. 
D) metaphase II. 
E) anaphase II. 
A) metaphase I. 
B) telophase I. 
C) prophase II. 
D) metaphase II. 
E) anaphase II.

Question 18

Four of thfivanswers listebelow arevents occurring during mitosis.Select thEXCEPTION.

Accepted Answer

A) chromosome replication 
B) division of centromeres 
C) chromosomes line up at the cellular equator 
D) attachment of spindle microtubules to centromeres 
E) migration of chromosomes to opposite ends of the cell 
A) chromosome replication 
B) division of centromeres 
C) chromosomes line up at the cellular equator 
D) attachment of spindle microtubules to centromeres 
E) migration of chromosomes to opposite ends of the cell

Question 19

Which of thfollowing will NOT develop into a gamete?

Accepted Answer

A) spermatogonium 
B) polar bodies 
C) oocyte 
D) spermatids 
E) secondary spermatocyte 
A) spermatogonium 
B) polar bodies 
C) oocyte 
D) spermatids 
E) secondary spermatocyte

Question 20

Chromosomes of a pair of homologous chromosomes may differ froother pairs of chromosomes in terms of

Accepted Answer

A) size. 
B) shape. 
C) alleles they carry. 
D) position of the centromere. 
E) all of these. 
A) size. 
B) shape. 
C) alleles they carry. 
D) position of the centromere. 
E) all of these.

Exam 8: How Cells Reproduce

In eukaryotic cells, which of thfollowing may occur during prophase?

In comparing mitosis anmeiosis, which of thfollowing statements is TRUE?

In mitosis, if a parent cell has 16 chromosomes, each daughter cell will havhow many chromosomes?

Which of thfollowing stages of thcell cyclincludanaphase?

Which of thfollowing energy sourcfuels cell division in animal cells?

HeLa cells allowea formal identification of thcausativagent of

If a parent cell has 16 chromosomes, how many sister chromatids will bpresent after duplication of thchromosomes?

Eukaryotic cells cannot simply dividin two because

Which of thfollowing statements is NOT true?

By thtimof birth, thhuman body contains approximately

Which of thfollowing statements concerning cancer is most accurate?

-Which of thfollowing statements is CORRECT?

If meiosis diNOT occur in sexual reproducing organisms,

Four of thfivanswers listebelow arhaploid.Select thEXCEPTION.

Gametformation is

Chromosomes araligneat thspindlequator during

Pairehomologous chromosomes arfounat thspindlequator during

Four of thfivanswers listebelow arevents occurring during mitosis.Select thEXCEPTION.

Which of thfollowing will NOT develop into a gamete?

Chromosomes of a pair of homologous chromosomes may differ froother pairs of chromosomes in terms of

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

Filters