Question 1

The division of the nucleus during the eukaryotic cell cycle is

Accepted Answer

A) mitosis. 
B) interphase. 
C) synthesis. 
D) cytokinesis. 
E) replication. 
A) mitosis. 
B) interphase. 
C) synthesis. 
D) cytokinesis. 
E) replication.

Question 2

You would not be observing mitosis through a microscope if you were looking at activity designed for the

Accepted Answer

A) repair of damaged cells. 
B) growth of an organism. 
C) asexual reproduction. 
D) formation of gametes. 
E) production of genetically identical daughter cells. 
A) repair of damaged cells. 
B) growth of an organism. 
C) asexual reproduction. 
D) formation of gametes. 
E) production of genetically identical daughter cells.

Question 3

Endostatin is a 184-amino acid protein that only affects endothelial cells for what reason?

Accepted Answer

A) Endothelial cells produce endostatin. 
B) Endostatin can diffuse across the membrane of endothelial cells. 
C) Only endothelial cells are exposed to endostatin. 
D) Endothelial cells have a receptor on their cell membrane for endostatin. 
E) Endostatin enters endothelial cells by endocytosis. 
A) Endothelial cells produce endostatin. 
B) Endostatin can diffuse across the membrane of endothelial cells. 
C) Only endothelial cells are exposed to endostatin. 
D) Endothelial cells have a receptor on their cell membrane for endostatin. 
E) Endostatin enters endothelial cells by endocytosis.

Question 4

When DNA replicates

Accepted Answer

A) the original DNA is not affected and a new double-stranded DNA is made from two new strands of DNA. 
B) one strand of the original DNA ends up in each of the new DNA molecules. 
C) the original DNA unwinds,and multiple copies of a region are transcribed before the DNA closes back up. 
D) transcription factors determine where to begin DNA replication. 
E) a cell that was diploid (2N)will now be tetraploid (4N). 
A) the original DNA is not affected and a new double-stranded DNA is made from two new strands of DNA. 
B) one strand of the original DNA ends up in each of the new DNA molecules. 
C) the original DNA unwinds,and multiple copies of a region are transcribed before the DNA closes back up. 
D) transcription factors determine where to begin DNA replication. 
E) a cell that was diploid (2N)will now be tetraploid (4N).

Question 5

Binary fission produces ______ cells,mitosis produces ______ cells,and meiosis produces ______ cells.

Accepted Answer

A) prokaryotic;eukaryotic body;eukaryotic sex 
B) genetic;body;sex 
C) eukaryotic;prokaryotic body;prokaryotic sex 
D) genetically different;genetically identical;genetically different 
E) genetically identical;genetically different;genetically identical 
A) prokaryotic;eukaryotic body;eukaryotic sex 
B) genetic;body;sex 
C) eukaryotic;prokaryotic body;prokaryotic sex 
D) genetically different;genetically identical;genetically different 
E) genetically identical;genetically different;genetically identical

Question 6

Apoptosis is also called

Accepted Answer

A) replication. 
B) mitosis. 
C) programmed cell death. 
D) the cell cycle. 
E) programmed cellular reproduction. 
A) replication. 
B) mitosis. 
C) programmed cell death. 
D) the cell cycle. 
E) programmed cellular reproduction.

Question 7

In an asexual life cycle,cells reproduce by

Accepted Answer

A) meiosis. 
B) fertilization. 
C) meiosis and fertilization. 
D) mitosis. 
E) All answers are correct. 
A) meiosis. 
B) fertilization. 
C) meiosis and fertilization. 
D) mitosis. 
E) All answers are correct.

Question 8

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

Accepted Answer

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

Question 9

If a cancer metastasizes,its cells travel through the blood stream and colonize other areas of the body.

Accepted Answer

A) True 
 B)False

Question 10

Some risk of cancer comes from genetic issues.

Accepted Answer

A) True 
 B)False

Question 11

Bacteria and archaeans do not receive new genetic material from binary fission,but from mutations and gene transfers.

Accepted Answer

A) True 
 B)False

Question 12

If you were putting description on a model,you would put a card saying "a discrete continuous molecule of DNA wrapped around protein" on a model of a

Accepted Answer

A) nucleosome. 
B) chromosome. 
C) centromere. 
D) histone. 
E) genomE. 
A) nucleosome. 
B) chromosome. 
C) centromere. 
D) histone. 
E) genomE.

Question 13

In the section "Investigating Life: Cutting Off a Tumor's Supply Lines in the War on Cancer," what is the dependent variable in the figure?

Accepted Answer

A) Volume of the tumor in humans. 
B) Treatment days. 
C) Treatment with endostatin. 
D) Treatment with standard chemotherapy drug. 
E) The volume of the tumor in micE. 
A) Volume of the tumor in humans. 
B) Treatment days. 
C) Treatment with endostatin. 
D) Treatment with standard chemotherapy drug. 
E) The volume of the tumor in micE.

Question 14

During the cell cycle there are several checkpoints that ensure that the cell cycle is proceeding correctly.

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

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

Question 16

Apoptosis could explain the death of lines of cells in palm leaves that lead to separate "fingers" in the structure of those leaves.

Accepted Answer

A) True 
 B)False

Question 17

In a sexual life cycle,a zygote (fertilized egg)grows to an adult by

Accepted Answer

A) meiosis. 
B) fertilization. 
C) meiosis and fertilization. 
D) mitosis. 
E) All answers are correct. 
A) meiosis. 
B) fertilization. 
C) meiosis and fertilization. 
D) mitosis. 
E) All answers are correct.

Question 18

Bypassing a checkpoint in the cell cycle may result in a cancer cell

Accepted Answer

A) dividing after mutations are fixed. 
B) continuing to divide and replicate with faulty DNA. 
C) condensing its chromosomes before mitosis. 
D) aligning chromosomes on the equator of the cell during metaphase. 
E) pulling chromosomes apart during anaphasE. 
A) dividing after mutations are fixed. 
B) continuing to divide and replicate with faulty DNA. 
C) condensing its chromosomes before mitosis. 
D) aligning chromosomes on the equator of the cell during metaphase. 
E) pulling chromosomes apart during anaphasE.

Question 19

Which of the following does not increase the risk for developing cancer?

Accepted Answer

A) vigorous exercise 
B) poor diet 
C) mutated genes 
D) sun exposure 
E) tobacco 
A) vigorous exercise 
B) poor diet 
C) mutated genes 
D) sun exposure 
E) tobacco

Question 20

Sister chromatids are

Accepted Answer

A) genetically identical and attached to each other at the centromere. 
B) genetically different and attached to each other at the centromere. 
C) genetically different. 
D) genetically identical. 
E) attached to each other at the centromerE. 
A) genetically identical and attached to each other at the centromere. 
B) genetically different and attached to each other at the centromere. 
C) genetically different. 
D) genetically identical. 
E) attached to each other at the centromerE.

Exam 8: DNA Replication, binary Fission, and Mitosis

The division of the nucleus during the eukaryotic cell cycle is

You would not be observing mitosis through a microscope if you were looking at activity designed for the

Endostatin is a 184-amino acid protein that only affects endothelial cells for what reason?

When DNA replicates

Binary fission produces ______ cells,mitosis produces ______ cells,and meiosis produces ______ cells.

Apoptosis is also called

In an asexual life cycle,cells reproduce by

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

If a cancer metastasizes,its cells travel through the blood stream and colonize other areas of the body.

Some risk of cancer comes from genetic issues.

Bacteria and archaeans do not receive new genetic material from binary fission,but from mutations and gene transfers.

If you were putting description on a model,you would put a card saying "a discrete continuous molecule of DNA wrapped around protein" on a model of a

In the section "Investigating Life: Cutting Off a Tumor's Supply Lines in the War on Cancer," what is the dependent variable in the figure?

During the cell cycle there are several checkpoints that ensure that the cell cycle is proceeding correctly.

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

Apoptosis could explain the death of lines of cells in palm leaves that lead to separate "fingers" in the structure of those leaves.

In a sexual life cycle,a zygote (fertilized egg)grows to an adult by

Bypassing a checkpoint in the cell cycle may result in a cancer cell

Which of the following does not increase the risk for developing cancer?

Sister chromatids are

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Binary fission produces cells,mitosis produces cells,and meiosis produces __ cells.