Question 1

Which of the following is NOT true of human chromosomes?

Accepted Answer

A)  The haploid number is 23. 
B)  The diploid number is 46. 
C)  There are 23 pairs of chromosomes. 
D)  Human gametes end up with two of each type of 23 chromosomes. 
E)  Human gametes end up with one of each type of 23 chromosomes. 
A)  The haploid number is 23. 
B)  The diploid number is 46. 
C)  There are 23 pairs of chromosomes. 
D)  Human gametes end up with two of each type of 23 chromosomes. 
E)  Human gametes end up with one of each type of 23 chromosomes. D

Question 2

Which of the following is NOT true of human papillomaviruses?

Accepted Answer

A)  they causes warts 
B)  some kinds cause cervical neoplasms 
C)  they cause interference with tumor suppressors 
D)  they interfere with proteins that promote mitosis 
E)  all of these are TRUE of human papillomaviruses 
A)  they causes warts 
B)  some kinds cause cervical neoplasms 
C)  they cause interference with tumor suppressors 
D)  they interfere with proteins that promote mitosis 
E)  all of these are TRUE of human papillomaviruses D

Question 3

Match the following correctly.
-crossing over occurs

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 B

Question 4

In what part of the cell cycle does an actively dividing cell produce the proteins necessary for mitosis?

Accepted Answer

A)  G1 
B)  S 
C)  G2 
D)  prophase 
E)  more than one of these 
A)  G1 
B)  S 
C)  G2 
D)  prophase 
E)  more than one of these

Question 5

A pine tree is called a sporophyte because it

Accepted Answer

A)  develops from a germinated spore. 
B)  produces spores by meiosis. 
C)  is haploid. 
D)  undergoes fertilization. 
E)  reproduces by both sexual and asexual means. 
A)  develops from a germinated spore. 
B)  produces spores by meiosis. 
C)  is haploid. 
D)  undergoes fertilization. 
E)  reproduces by both sexual and asexual means.

Question 6

Which of the following is the proper sequence for mitosis?

Accepted Answer

A)  II, I, IV, III 
B)  I, II, III, IV 
C)  III, I, IV, II 
D)  IV, III, II, I 
E)  I, IV, II, III 
A)  II, I, IV, III 
B)  I, II, III, IV 
C)  III, I, IV, II 
D)  IV, III, II, I 
E)  I, IV, II, III

Question 7

Classification.The phases of mitosis plus interphase are listed below.Answer the questions with reference to these phases.
-Spindle fibers first appear during this phase.

Accepted Answer

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

Question 8

Classification.Answer the questions in reference to the eukaryotic cell cycle.Each question has only one BEST answer.
-when DNA is replicated

Accepted Answer

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

Question 9

Examine the micrographs above and answer the following question(s).
-The cell in micrograph "III" is at which stage of the cell cycle?

Accepted Answer

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

Question 10

Which of the following statements concerning cancer is most accurate?

Accepted Answer

A)  Neoplasms are usually cancerous. 
B)  Neoplasms have lost control over cell division. 
C)  Tumor cells have an increased capacity for adhesion. 
D)  Benign tumors often spread to other body parts. 
E)  Metastasis is cell division which is stationary. 
A)  Neoplasms are usually cancerous. 
B)  Neoplasms have lost control over cell division. 
C)  Tumor cells have an increased capacity for adhesion. 
D)  Benign tumors often spread to other body parts. 
E)  Metastasis is cell division which is stationary.

Question 11

Which of the following organisms employs a cell plate in 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

Which of the following represents the complete stages of interphase?

Accepted Answer

A)  G1 and G2 
B)  S and G2 
C)  G1 and S 
D)  G1, S, and G2 
E)  prophase, metaphase, anaphase, and telophase 
A)  G1 and G2 
B)  S and G2 
C)  G1 and S 
D)  G1, S, and G2 
E)  prophase, metaphase, anaphase, and telophase

Question 13

DNA is replicated during

Accepted Answer

A)  the G1 stage. 
B)  the S stage. 
C)  the G2 stage. 
D)  prophase. 
E)  more than one of these. 
A)  the G1 stage. 
B)  the S stage. 
C)  the G2 stage. 
D)  prophase. 
E)  more than one of these.

Question 14

Chromosomes are aligned at the middle of the cell during

Accepted Answer

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

Question 15

Fertilization of plant gametes directly produces

Accepted Answer

A)  a zygote. 
B)  a gametophyte. 
C)  a spore. 
D)  either a sperm cell or egg cell. 
E)  a sporophyte. 
A)  a zygote. 
B)  a gametophyte. 
C)  a spore. 
D)  either a sperm cell or egg cell. 
E)  a sporophyte.

Question 16

Which of the following does NOT occur in prophase I of meiosis?

Accepted Answer

A)  cytoplasmic division 
B)  spindle attachment to chromosomes 
C)  pairing of homologous chromosomes 
D)  crossing over 
E)  condensation of chromosomes 
A)  cytoplasmic division 
B)  spindle attachment to chromosomes 
C)  pairing of homologous chromosomes 
D)  crossing over 
E)  condensation of chromosomes

Question 17

What part of the cell cycle - in an actively dividing cell - does preparation for DNA replication take place?

Accepted Answer

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

Question 18

Classification.The phases of mitosis plus interphase are listed below.Answer the questions with reference to these phases.
-New daughter nuclear membranes form during this phase.

Accepted Answer

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

Question 19

Four of the five answers listed below are characteristic to meiosis.Select the EXCEPTION.

Accepted Answer

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

Question 20

In which of the following stages does each chromosome consist of two DNA molecules?

Accepted Answer

A)  III and IV 
B)  I, III, and IV 
C)  I and III 
D)  I, II, and III 
E)  I, II, III, and IV 
A)  III and IV 
B)  I, III, and IV 
C)  I and III 
D)  I, II, and III 
E)  I, II, III, and IV

Exam 8: How Cells Reproduce

Which of the following is NOT true of human chromosomes?

Which of the following is NOT true of human papillomaviruses?

Match the following correctly. -crossing over occurs

In what part of the cell cycle does an actively dividing cell produce the proteins necessary for mitosis?

A pine tree is called a sporophyte because it

Which of the following is the proper sequence for mitosis?

Classification.The phases of mitosis plus interphase are listed below.Answer the questions with reference to these phases. -Spindle fibers first appear during this phase.

Classification.Answer the questions in reference to the eukaryotic cell cycle.Each question has only one BEST answer. -when DNA is replicated

Examine the micrographs above and answer the following question(s). -The cell in micrograph "III" is at which stage of the cell cycle?

Which of the following statements concerning cancer is most accurate?

Which of the following organisms employs a cell plate in cell division?

Which of the following represents the complete stages of interphase?

DNA is replicated during

Chromosomes are aligned at the middle of the cell during

Fertilization of plant gametes directly produces

Which of the following does NOT occur in prophase I of meiosis?

What part of the cell cycle - in an actively dividing cell - does preparation for DNA replication take place?

Classification.The phases of mitosis plus interphase are listed below.Answer the questions with reference to these phases. -New daughter nuclear membranes form during this phase.

Four of the five answers listed below are characteristic to meiosis.Select the EXCEPTION.

In which of the following stages does each chromosome consist of two DNA molecules?

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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