Question 1

Which of the following occurs in prophase?

Accepted Answer

A)  sister chromatid attachment 
B)  the replication of DNA 
C)  chromosomes aligned in the middle of the cell 
D)  breakdown of the nuclear envelope 
E)  separation of sister chromatids. 
A)  sister chromatid attachment 
B)  the replication of DNA 
C)  chromosomes aligned in the middle of the cell 
D)  breakdown of the nuclear envelope 
E)  separation of sister chromatids.

Question 2

Which of the following energy source fuels cell division in animal cells?

Accepted Answer

A)  thymine nucleotides 
B)  ATP 
C)  kinetic energy of Golgi body movement 
D)  glycerol 
E)  fat deposits 
A)  thymine nucleotides 
B)  ATP 
C)  kinetic energy of Golgi body movement 
D)  glycerol 
E)  fat deposits

Question 3

After meiosis,resulting daughter cells are likely 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 4

In cancer cells there is an increase in

Accepted Answer

A)  fermentation. 
B)  proto-oncogene activity. 
C)  cell division. 
D)  all of these activities. 
E)  two of these activities. 
A)  fermentation. 
B)  proto-oncogene activity. 
C)  cell division. 
D)  all of these activities. 
E)  two of these activities.

Question 5

Classification.The phases of mitosis plus interphase are listed below.Answer the questions with reference to these phases.
-Alignment of duplicated chromosomes is crucial to the next step.

Accepted Answer

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

Question 6

Classification.Some of the stages of meiosis are listed below.Answer the questions in reference to these phases of meiosis.
-Recombination via crossing over occurs during this stage.

Accepted Answer

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

Question 7

Match the following correctly.
-sister chromatids are attached at centromeres

Accepted Answer

A) mitosis 
B) meiosis 
C) both mitosis and meiosis 
D) neither mitosis or meiosis 
A) mitosis 
B) meiosis 
C) both mitosis and meiosis 
D) neither mitosis or meiosis

Question 8

The pairing of chromosomes and crossing over occur during

Accepted Answer

A)  metaphase I. 
B)  anaphase II. 
C)  prophase I. 
D)  prophase II. 
E)  more than one of these. 
A)  metaphase I. 
B)  anaphase II. 
C)  prophase I. 
D)  prophase II. 
E)  more than one of these.

Question 9

The cell plate is composed of

Accepted Answer

A)  microfilaments. 
B)  the cytoplasmic membrane. 
C)  vesicles with wall-building materials. 
D)  Golgi bodies. 
E)  microtubules. 
A)  microfilaments. 
B)  the cytoplasmic membrane. 
C)  vesicles with wall-building materials. 
D)  Golgi bodies. 
E)  microtubules.

Question 10

If a sexually reproducing parent has a particular mutation,the chances that its offspring will inherit that mutation is

Accepted Answer

A)  0%. 
B)  25%. 
C)  50%. 
D)  100%. 
E)  variable, depending on the mutation. 
A)  0%. 
B)  25%. 
C)  50%. 
D)  100%. 
E)  variable, depending on the mutation.

Question 11

Which of the following organisms employs a contractile ring during cell division?

Accepted Answer

A)  bears 
B)  humans 
C)  roses 
D)  pigs 
E)  more than one of these 
A)  bears 
B)  humans 
C)  roses 
D)  pigs 
E)  more than one of these

Question 12

All of these terms refer in some way to sex cells except

Accepted Answer

A)  gametes. 
B)  germ cells. 
C)  haploid cells. 
D)  zygotes. 
E)  there is no exception; all of these terms refer to sex cells in some way. 
A)  gametes. 
B)  germ cells. 
C)  haploid cells. 
D)  zygotes. 
E)  there is no exception; all of these terms refer to sex cells in some way.

Question 13

Classification.Some of the stages of meiosis are listed below.Answer the questions in reference to these phases of meiosis.
-New genetic combinations,upon which natural selection can act,are present after this stage.

Accepted Answer

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

Question 14

Four of the five answers listed below concern cells with two chromosome sets.Select the EXCEPTION.

Accepted Answer

A)  zygote 
B)  somatic cell 
C)  spore 
D)  diploid 
E)  sporophyte 
A)  zygote 
B)  somatic cell 
C)  spore 
D)  diploid 
E)  sporophyte

Question 15

The spindle apparatus is made of

Accepted Answer

A)  centromeres. 
B)  microfilaments. 
C)  microtubules. 
D)  chromatids. 
E)  nucleotides. 
A)  centromeres. 
B)  microfilaments. 
C)  microtubules. 
D)  chromatids. 
E)  nucleotides.

Question 16

Through meiosis,

Accepted Answer

A)  alternate forms of genes are shuffled. 
B)  parental DNA is divided and distributed to forming gametes. 
C)  the diploid chromosome number is reduced to haploid. 
D)  offspring are provided with new gene combinations. 
E)  all of these occur. 
A)  alternate forms of genes are shuffled. 
B)  parental DNA is divided and distributed to forming gametes. 
C)  the diploid chromosome number is reduced to haploid. 
D)  offspring are provided with new gene combinations. 
E)  all of these occur.

Question 17

Researchers use HeLa cells to

Accepted Answer

A)  study cancer. 
B)  study viral growth. 
C)  perform protein synthesis. 
D)  study the effects of radiation. 
E)  do all of these. 
A)  study cancer. 
B)  study viral growth. 
C)  perform protein synthesis. 
D)  study the effects of radiation. 
E)  do all of these.

Question 18

Alternative or different forms of the same gene are called

Accepted Answer

A)  homozygous. 
B)  chromatids. 
C)  alleles. 
D)  homologous. 
E)  karyotypes. 
A)  homozygous. 
B)  chromatids. 
C)  alleles. 
D)  homologous. 
E)  karyotypes.

Question 19

Classification.Answer the questions in reference to the eukaryotic cell cycle.Each question has only one BEST answer.
-this is the last stage of interphase

Accepted Answer

The answer of Classification.Answer the questions in reference to the...

Question 20

Four of the five answers listed below are events occurring during mitosis.Select the EXCEPTION.

Accepted Answer

A)  crossing over 
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)  crossing over 
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

Exam 8: How Cells Reproduce

Which of the following occurs in prophase?

Which of the following energy source fuels cell division in animal cells?

After meiosis,resulting daughter cells are likely to contain

In cancer cells there is an increase in

Classification.The phases of mitosis plus interphase are listed below.Answer the questions with reference to these phases. -Alignment of duplicated chromosomes is crucial to the next step.

Classification.Some of the stages of meiosis are listed below.Answer the questions in reference to these phases of meiosis. -Recombination via crossing over occurs during this stage.

Match the following correctly. -sister chromatids are attached at centromeres

The pairing of chromosomes and crossing over occur during

The cell plate is composed of

If a sexually reproducing parent has a particular mutation,the chances that its offspring will inherit that mutation is

Which of the following organisms employs a contractile ring during cell division?

All of these terms refer in some way to sex cells except

Classification.Some of the stages of meiosis are listed below.Answer the questions in reference to these phases of meiosis. -New genetic combinations,upon which natural selection can act,are present after this stage.

Four of the five answers listed below concern cells with two chromosome sets.Select the EXCEPTION.

The spindle apparatus is made of

Through meiosis,

Researchers use HeLa cells to

Alternative or different forms of the same gene are called

Classification.Answer the questions in reference to the eukaryotic cell cycle.Each question has only one BEST answer. -this is the last stage of interphase

Four of the five answers listed below are events occurring during mitosis.Select the EXCEPTION.

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 Evolution

Population Ecology

Communities and Ecosystems

The Biosphere and Human Effects

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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