Question 1

Which of thfollowing does NOT producvariation?

Accepted Answer

A) crossing over 
B) random alignment of chromosomes during meiosis 
C) asexual reproduction 
D) genetic recombination of alleles 
E) sexual reproduction 
A) crossing over 
B) random alignment of chromosomes during meiosis 
C) asexual reproduction 
D) genetic recombination of alleles 
E) sexual reproduction

Question 2

During th"gap" phases of thcell cycle, most of thactivity is directetoward

Accepted Answer

A) DNA replication. 
B) nuclear membrane synthesis. 
C) resting for the next step. 
D) sorting the chromosomes. 
E) growth and making the proteins that drive mitosis. 
A) DNA replication. 
B) nuclear membrane synthesis. 
C) resting for the next step. 
D) sorting the chromosomes. 
E) growth and making the proteins that drive mitosis.

Question 3

Thdistribution of cytoplasto daughter cells is accomplisheduring

Accepted Answer

A) prokaryotic fission. 
B) mitosis. 
C) meiosis. 
D) cytoplasmic division. 
E) karyokinesis. 
A) prokaryotic fission. 
B) mitosis. 
C) meiosis. 
D) cytoplasmic division. 
E) karyokinesis.

Question 4

Which of thfollowing woulaffect thratof cell division?

Accepted Answer

A) gene expression controls 
B) excess of glucose 
C) excess of cholesterol 
D) absence of insulin receptors in the plasma membrane 
E) all of these 
A) gene expression controls 
B) excess of glucose 
C) excess of cholesterol 
D) absence of insulin receptors in the plasma membrane 
E) all of these

Question 5

Which of thfollowing most accurately describes mitosis?

Accepted Answer

A) doubling of cellular material 
B) DNA replication 
C) separation of membrane-bound organelles during cell division 
D) separation of chromosomes during nuclear division 
E) cell division 
A) doubling of cellular material 
B) DNA replication 
C) separation of membrane-bound organelles during cell division 
D) separation of chromosomes during nuclear division 
E) cell division

Question 6

Polar bodies

Accepted Answer

A) are dumping places for excess genetic material. 
B) have no known biological function. 
C) are produced by meiosis. 
D) will serve as the gametes if something happens to the egg. 
E) are dumping places for excess genetic material, have no known biological function, and are produced by meiosis. 
A) are dumping places for excess genetic material. 
B) have no known biological function. 
C) are produced by meiosis. 
D) will serve as the gametes if something happens to the egg. 
E) are dumping places for excess genetic material, have no known biological function, and are produced by meiosis.

Question 7

A growing tissumass of defectivcellular descendent is known as

Accepted Answer

A) metastasis. 
B) benign. 
C) a tumor. 
D) a carcinogen. 
E) a puff. 
A) metastasis. 
B) benign. 
C) a tumor. 
D) a carcinogen. 
E) a puff.

Question 8

Which of thfollowing events is (are) characteristic of thinterphase?

Accepted Answer

A) The cytoplasm divides. 
B) The cell doubles its content. 
C) The cell doubles its content, and the cytoplasm divides. 
D) DNA is synthesized. 
E) The cell doubles its content, and DNA is synthesized. 
A) The cytoplasm divides. 
B) The cell doubles its content. 
C) The cell doubles its content, and the cytoplasm divides. 
D) DNA is synthesized. 
E) The cell doubles its content, and DNA is synthesized.

Question 9

During thcell cycle, thcell goes through a stagcalle"G." In this case, "G" stands for

Accepted Answer

A) gap. 
B) goal. 
C) gad. 
D) glad. 
E) game. 
A) gap. 
B) goal. 
C) gad. 
D) glad. 
E) game.

Question 10

Which phasis markeby tharrival of chromosomes at thpoles?

Accepted Answer

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

Question 11

Meiosis typically results in thproduction of

Accepted Answer

A) two diploid cells. 
B) four diploid cells. 
C) four haploid cells. 
D) two haploid cells. 
E) one triploid cell. 
A) two diploid cells. 
B) four diploid cells. 
C) four haploid cells. 
D) two haploid cells. 
E) one triploid cell.

Question 12

Animal cell usin research laboratories is called

Accepted Answer

A) cell lines. 
B) cell strains. 
C) guinea pig cells. 
D) experimental cells. 
E) any of these. 
A) cell lines. 
B) cell strains. 
C) guinea pig cells. 
D) experimental cells. 
E) any of these.

Question 13

Four of thfivanswers listebelow concern cells with two chromosomsets.Select thEXCEPTION.

Accepted Answer

A) zygote 
B) somatic cell 
C) gamete 
D) diploid 
E) two full chromosome sets 
A) zygote 
B) somatic cell 
C) gamete 
D) diploid 
E) two full chromosome sets

Question 14

Chromosomes arduplicateduring what portion of thcell cycle?

Accepted Answer

A) D 
B) S 
C) M 
D) G1 
E) G2 
A) D 
B) S 
C) M 
D) G1 
E) G2

Question 15

Thcell platis composeof

Accepted Answer

A) the nuclear membrane. 
B) the cytoplasmic membrane. 
C) vesicles of wall-building materials. 
D) cellular organelles. 
E) chitin and centrioles. 
A) the nuclear membrane. 
B) the cytoplasmic membrane. 
C) vesicles of wall-building materials. 
D) cellular organelles. 
E) chitin and centrioles.

Question 16

Which of thfollowing molecules controls progress of thcell cycle?

Accepted Answer

A) nucleic acids 
B) checkpoint proteins 
C) phospholipids 
D) adenosine triphosphate 
E) adhesion substances 
A) nucleic acids 
B) checkpoint proteins 
C) phospholipids 
D) adenosine triphosphate 
E) adhesion substances

Question 17

Sexual reproduction

Accepted Answer

A) leads to uniform characteristics in a population. 
B) results in new combinations of genetic traits. 
C) requires less tissue differentiation than asexual reproduction. 
D) produces genetic clones. 
E) produces genetic clones and requires less tissue differentiation than asexual reproduction. 
A) leads to uniform characteristics in a population. 
B) results in new combinations of genetic traits. 
C) requires less tissue differentiation than asexual reproduction. 
D) produces genetic clones. 
E) produces genetic clones and requires less tissue differentiation than asexual reproduction.

Question 18

In G2, thcell

Accepted Answer

A) prepares to copy its genetic information. 
B) performs DNA synthesis. 
C) synthesizes essential proteins for cell division. 
D) is hyperactive. 
E) produces a new nucleus. 
A) prepares to copy its genetic information. 
B) performs DNA synthesis. 
C) synthesizes essential proteins for cell division. 
D) is hyperactive. 
E) produces a new nucleus.

Question 19

HeLa cells are

Accepted Answer

A) normal cells. 
B) infected cells. 
C) cancer cells. 
D) infested cells. 
E) any of these. 
A) normal cells. 
B) infected cells. 
C) cancer cells. 
D) infested cells. 
E) any of these.

Question 20

Meiosis is thbasis for

Accepted Answer

A) cellular division. 
B) sexual reproduction. 
C) asexual reproduction. 
D) sexual and asexual reproduction. 
E) distribution of cytoplasm. 
A) cellular division. 
B) sexual reproduction. 
C) asexual reproduction. 
D) sexual and asexual reproduction. 
E) distribution of cytoplasm.

Exam 8: How Cells Reproduce

Which of thfollowing does NOT producvariation?

During th"gap" phases of thcell cycle, most of thactivity is directetoward

Thdistribution of cytoplasto daughter cells is accomplisheduring

Which of thfollowing woulaffect thratof cell division?

Which of thfollowing most accurately describes mitosis?

Polar bodies

A growing tissumass of defectivcellular descendent is known as

Which of thfollowing events is (are) characteristic of thinterphase?

During thcell cycle, thcell goes through a stagcalle"G." In this case, "G" stands for

Which phasis markeby tharrival of chromosomes at thpoles?

Meiosis typically results in thproduction of

Animal cell usin research laboratories is called

Four of thfivanswers listebelow concern cells with two chromosomsets.Select thEXCEPTION.

Chromosomes arduplicateduring what portion of thcell cycle?

Thcell platis composeof

Which of thfollowing molecules controls progress of thcell cycle?

Sexual reproduction

In G2, thcell

HeLa cells are

Meiosis is thbasis for

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