Question 1

The phase of mitosis in which the centromeres split and sister chromatids are pulled to opposite poles of the cell is

Accepted Answer

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

Question 2

A nucleosome consists of

Accepted Answer

A) a stretch of DNA and histones. 
B) a stretch of DNA only. 
C) a stretch of RNA only. 
D) a stretch of RNA and a ribosome. 
E) histones only. 
A) a stretch of DNA and histones. 
B) a stretch of DNA only. 
C) a stretch of RNA only. 
D) a stretch of RNA and a ribosome. 
E) histones only.

Question 3

The plant cell in the image labeled "B" is in the cell cycle stage

Accepted Answer

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

Question 4

Apoptosis could be used to limit the spread of an intracellular disease-causing agent by isolating it with dead cells.

Accepted Answer

A) True 
 B)False

Question 5

The plant cell in the image labeled "D" is in the cell cycle stage

Accepted Answer

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

Question 6

The two main stages of the eukaryotic cell cycle are

Accepted Answer

A) interphase and cytokinesis. 
B) interphase and mitosis. 
C) mitosis and cytokinesis. 
D) interphase and prophase. 
E) mitosis and meiosis. 
A) interphase and cytokinesis. 
B) interphase and mitosis. 
C) mitosis and cytokinesis. 
D) interphase and prophase. 
E) mitosis and meiosis.

Question 7

What hypothesis were the researchers testing by treating tumors with endostatin and a standard chemotherapy drug?

Accepted Answer

A) Endostatin works on endothelial cells,and therefore natural selection for resistance will not occur in tumor cells. 
B) Endostatin works on tumor cells,and therefore natural selection for resistance will not occur in endothelial cells. 
C) The standard chemotherapy drug works on endothelial cells,and therefore natural selection for resistance will not occur in tumor cells. 
D) The standard chemotherapy drug works on tumor cells,and therefore natural selection for resistance will not occur in endothelial cells. 
E) No answer is correct. 
A) Endostatin works on endothelial cells,and therefore natural selection for resistance will not occur in tumor cells. 
B) Endostatin works on tumor cells,and therefore natural selection for resistance will not occur in endothelial cells. 
C) The standard chemotherapy drug works on endothelial cells,and therefore natural selection for resistance will not occur in tumor cells. 
D) The standard chemotherapy drug works on tumor cells,and therefore natural selection for resistance will not occur in endothelial cells. 
E) No answer is correct.

Question 8

Which of the following is correct about both binary fission and meiosis?

Accepted Answer

A) Both result in genetically identical cells. 
B) Both result in one daughter cell. 
C) Both are asexual forms of cell reproduction. 
D) Both replicate the DNA before the cell splits. 
E) All answers are correct. 
A) Both result in genetically identical cells. 
B) Both result in one daughter cell. 
C) Both are asexual forms of cell reproduction. 
D) Both replicate the DNA before the cell splits. 
E) All answers are correct.

Question 9

Meiosis is a process used for

Accepted Answer

A) repair of damaged cells. 
B) growth of an organism. 
C) asexual reproduction. 
D) production of stem cells. 
E) production of gametes. 
A) repair of damaged cells. 
B) growth of an organism. 
C) asexual reproduction. 
D) production of stem cells. 
E) production of gametes.

Question 10

What molecule holds instructions for the synthesis of proteins and copies itself for the next generation of cells?

Accepted Answer

A) ATP synthase 
B) DNA 
C) RNA 
D) NAD 
E) FAD 
A) ATP synthase 
B) DNA 
C) RNA 
D) NAD 
E) FAD

Question 11

A mutation in a gene controlling a cell cycle checkpoint could pose a signifnicant risk of cancer.

Accepted Answer

A) True 
 B)False

Question 12

An asexual process used by prokaryotes in which replicated DNA and other cell parts are distributed into two daughter cells is called

Accepted Answer

A) mitosis. 
B) binary fusion. 
C) daughter cell duplication. 
D) binary fission. 
E) conjugation. 
A) mitosis. 
B) binary fusion. 
C) daughter cell duplication. 
D) binary fission. 
E) conjugation.

Question 13

A discrete package of DNA and associated proteins in eukaryotes is a

Accepted Answer

A) chromosome. 
B) nucleus. 
C) ribosome. 
D) Golgi body. 
E) centriolE. 
A) chromosome. 
B) nucleus. 
C) ribosome. 
D) Golgi body. 
E) centriolE.

Question 14

If you were watching a cell undergoing a doubling of the dna in its nucleus,you would be observing

Accepted Answer

A) protein synthesis. 
B) aerobic respiration. 
C) replication. 
D) substrate-phosphorylation. 
E) photosynthesis. 
A) protein synthesis. 
B) aerobic respiration. 
C) replication. 
D) substrate-phosphorylation. 
E) photosynthesis.

Question 15

The phase of mitosis in which the chromosomes are aligned along the equator of the cell is

Accepted Answer

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

Question 16

No real risk of cancer comes from an organism's environment.

Accepted Answer

A) True 
 B)False

Question 17

The first sign of cytokinesis in an animal cell is the formation of a

Accepted Answer

A) cell plate. 
B) cleavage furrow. 
C) cell wall. 
D) nucleolus. 
E) nuclear envelopE. 
A) cell plate. 
B) cleavage furrow. 
C) cell wall. 
D) nucleolus. 
E) nuclear envelopE.

Question 18

If one strand of a DNA molecule has the base sequence of 5' ATGTGCC 3' the complementary strand of DNA will read

Accepted Answer

A) 3' ATGTGCC 5'. 
B) 3' TACACGG 5'. 
C) 3' UACACGG 5'. 
D) 3' CGTGTAA 5'. 
E) 3' GGCACAT 5'. 
A) 3' ATGTGCC 5'. 
B) 3' TACACGG 5'. 
C) 3' UACACGG 5'. 
D) 3' CGTGTAA 5'. 
E) 3' GGCACAT 5'.

Question 19

The genome of an organism is all of its

Accepted Answer

A) proteins. 
B) RNA. 
C) characteristics. 
D) genetic material. 
E) All answers are correct. 
A) proteins. 
B) RNA. 
C) characteristics. 
D) genetic material. 
E) All answers are correct.

Question 20

DNA's sugar-phosphate backbones are joined with

Accepted Answer

A) ionic bonds. 
B) hydrogen bonds. 
C) weak chemical bonds. 
D) covalent bonds. 
E) No answer is correct. 
A) ionic bonds. 
B) hydrogen bonds. 
C) weak chemical bonds. 
D) covalent bonds. 
E) No answer is correct.

Exam 8: DNA Replication, binary Fission, and Mitosis

The phase of mitosis in which the centromeres split and sister chromatids are pulled to opposite poles of the cell is

A nucleosome consists of

The plant cell in the image labeled "B" is in the cell cycle stage

Apoptosis could be used to limit the spread of an intracellular disease-causing agent by isolating it with dead cells.

The plant cell in the image labeled "D" is in the cell cycle stage

The two main stages of the eukaryotic cell cycle are

What hypothesis were the researchers testing by treating tumors with endostatin and a standard chemotherapy drug?

Which of the following is correct about both binary fission and meiosis?

Meiosis is a process used for

What molecule holds instructions for the synthesis of proteins and copies itself for the next generation of cells?

A mutation in a gene controlling a cell cycle checkpoint could pose a signifnicant risk of cancer.

An asexual process used by prokaryotes in which replicated DNA and other cell parts are distributed into two daughter cells is called

A discrete package of DNA and associated proteins in eukaryotes is a

If you were watching a cell undergoing a doubling of the dna in its nucleus,you would be observing

The phase of mitosis in which the chromosomes are aligned along the equator of the cell is

No real risk of cancer comes from an organism's environment.

The first sign of cytokinesis in an animal cell is the formation of a

If one strand of a DNA molecule has the base sequence of 5' ATGTGCC 3' the complementary strand of DNA will read

The genome of an organism is all of its

DNA's sugar-phosphate backbones are joined with

Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

How Cells Release Energy

Dna Structure and Gene Function

Sexual Reproduction and Meiosis

Patterns of Inheritance

Dna Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Populations

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratorysystems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

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