Question 1

Pairs of chromosomes that have the same size,shape,and function are ________________________________.

Accepted Answer

homologues

Question 2

During which mitotic stage is the spindle disassembled,the nuclear membrane formed and the chromosomes uncoil?

Accepted Answer

A) Anaphase 
B) Metaphase 
C) Prophase 
D) Telophase 
E) Interphase 
A) Anaphase 
B) Metaphase 
C) Prophase 
D) Telophase 
E) Interphase

Question 3

The proper sequence,beginning to end,for the stages of mitosis is:

Accepted Answer

A) prophase-metaphase-anaphase-telophase 
B) telophase-anaphase-metaphase-prophase 
C) anaphase-prophase-metaphase-telophase 
D) prophase-anaphase-metaphase-telophase 
A) prophase-metaphase-anaphase-telophase 
B) telophase-anaphase-metaphase-prophase 
C) anaphase-prophase-metaphase-telophase 
D) prophase-anaphase-metaphase-telophase

Question 4

Cigarette smoke causes mutations in the p53 gene.

Accepted Answer

A) True 
 B)False

Question 5

The spindle is:

Accepted Answer

A) the new cell membrane as it reforms across the cytoplasm during cytokinesis 
B) the protein that connects the duplicated chromosomes 
C) the network of protein cables that will pull the chromatids to opposite ends of the cell 
D) the protein that DNA winds itself around 
A) the new cell membrane as it reforms across the cytoplasm during cytokinesis 
B) the protein that connects the duplicated chromosomes 
C) the network of protein cables that will pull the chromatids to opposite ends of the cell 
D) the protein that DNA winds itself around

Question 6

What causes cancer in cells?

Accepted Answer

A) Damage to genes failing to stop cell division 
B) Chemical damage to cell membranes 
C) UV damage to transport proteins 
D) A disconnect between the two G phases 
E) Skipping the S phase in the cell cycle 
A) Damage to genes failing to stop cell division 
B) Chemical damage to cell membranes 
C) UV damage to transport proteins 
D) A disconnect between the two G phases 
E) Skipping the S phase in the cell cycle

Question 7

The eukaryotic cell cycle is controlled at several points;which of these is not a control point?

Accepted Answer

A) Cell growth is assessed at the G1 checkpoint. 
B) DNA replication is assessed at the G2 checkpoint. 
C) Mitosis is assessed at the M checkpoint. 
D) Cell growth is assessed at the S checkpoint. 
A) Cell growth is assessed at the G1 checkpoint. 
B) DNA replication is assessed at the G2 checkpoint. 
C) Mitosis is assessed at the M checkpoint. 
D) Cell growth is assessed at the S checkpoint.

Question 8

Which of the following can cause cancer?

Accepted Answer

A) UV rays 
B) Viruses 
C) Chemicals 
D) Environmental contaminants 
E) All of the choices can cause cancer. 
A) UV rays 
B) Viruses 
C) Chemicals 
D) Environmental contaminants 
E) All of the choices can cause cancer.

Question 9

Which is incorrect about chromosomes?

Accepted Answer

A) Possession of the right chromosome number is essential to survival. 
B) Humans missing a chromosome usually do not survive embryonic development. 
C) The organized visual arrangement of chromosomes is called a karyotype. 
D) Chromosomes all have the same number of genes on them. 
E) You can determine the number of chromosomes in an individual by counting the centromeres. 
A) Possession of the right chromosome number is essential to survival. 
B) Humans missing a chromosome usually do not survive embryonic development. 
C) The organized visual arrangement of chromosomes is called a karyotype. 
D) Chromosomes all have the same number of genes on them. 
E) You can determine the number of chromosomes in an individual by counting the centromeres.

Question 10

Prokaryotic cells divide by:

Accepted Answer

A) mitosis 
B) cleavage 
C) cytokinesis 
D) binary fission 
E) meiosis 
A) mitosis 
B) cleavage 
C) cytokinesis 
D) binary fission 
E) meiosis

Question 11

The diploid number of chromosomes in humans is 46.The haploid number is:

Accepted Answer

A) 138 
B) 92 
C) 46 
D) 23 
A) 138 
B) 92 
C) 46 
D) 23

Question 12

Mitosis is cell division that produces somatic cells,while meiosis produces ____________.

Accepted Answer

The answer of Mitosis is cell division that produces somatic...

Question 13

Proteins with positive charges that are wrapped around DNA within chromosomes are:

Accepted Answer

A) chromatids 
B) histones 
C) centromeres 
D) kinetochores 
A) chromatids 
B) histones 
C) centromeres 
D) kinetochores

Question 14

Mutated proto-oncogenes become cancer-causing genes called _________.

Accepted Answer

The answer of Mutated proto-oncogenes become cancer-causing genes called _________....

Question 15

Mitosis occurs in germ cells.

Accepted Answer

A) True 
 B)False

Question 16

What cell cycle regulatory protein is a tumor-suppressor protein?

Accepted Answer

A) E2F 
B) EGF 
C) p53 
D) HER2 
A) E2F 
B) EGF 
C) p53 
D) HER2

Question 17

In which cell type would a cell plate form after telophase is complete?

Accepted Answer

A) Animal 
B) Bacteria 
C) Plant 
D) Protist 
A) Animal 
B) Bacteria 
C) Plant 
D) Protist

Question 18

How are cancer cells different from normal cells?

Accepted Answer

Cancer cells differ with respe

Question 19

You look in the microscope and see sister chromatids moving to opposite sides of the cell.You conclude the cell is in:

Accepted Answer

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

Question 20

All of the following are correct about HER2 except:

Accepted Answer

A) It is a protein associated with the receptor for epidermal growth factor (EGF). 
B) Most colon cancers have excess copies of this protein on their cells. 
C) A mutation can lead to an overproduction of HER2 on cells. 
D) Cells that overproduce HER2 are killed preferentially by the immune system when monoclonal antibodies are given therapeutically. 
E) Cells that produce too much HER2 can become cancerous. 
A) It is a protein associated with the receptor for epidermal growth factor (EGF). 
B) Most colon cancers have excess copies of this protein on their cells. 
C) A mutation can lead to an overproduction of HER2 on cells. 
D) Cells that overproduce HER2 are killed preferentially by the immune system when monoclonal antibodies are given therapeutically. 
E) Cells that produce too much HER2 can become cancerous.

Exam 8: Mitosis

Pairs of chromosomes that have the same size,shape,and function are ________________________________.

During which mitotic stage is the spindle disassembled,the nuclear membrane formed and the chromosomes uncoil?

The proper sequence,beginning to end,for the stages of mitosis is:

Cigarette smoke causes mutations in the p53 gene.

The spindle is:

What causes cancer in cells?

The eukaryotic cell cycle is controlled at several points;which of these is not a control point?

Which of the following can cause cancer?

Which is incorrect about chromosomes?

Prokaryotic cells divide by:

The diploid number of chromosomes in humans is 46.The haploid number is:

Mitosis is cell division that produces somatic cells,while meiosis produces ____________.

Proteins with positive charges that are wrapped around DNA within chromosomes are:

Mutated proto-oncogenes become cancer-causing genes called _________.

Mitosis occurs in germ cells.

What cell cycle regulatory protein is a tumor-suppressor protein?

In which cell type would a cell plate form after telophase is complete?

How are cancer cells different from normal cells?

You look in the microscope and see sister chromatids moving to opposite sides of the cell.You conclude the cell is in:

All of the following are correct about HER2 except:

The Science of Biology

The Chemistry of Life

Molecules of Life

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Energy and Life

Photosynthesis: Acquiring Energy From the Sun

How Cells Harvest Energy From Food

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Foundations of Genetics

DNA: the Genetic Material

How Genes Work

Genomics and Biotechnology

Evolution and Natural Selection

How We Name Living Things

Prokaryotes: the First Single-Celled Creatures

Protists: Advent of the Eukaryotes

Fungi Invade the Land

Evolution of the Animal Phyla

History of the Vertebrates

How Humans Evolved

The Animal Body and How It Moves

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How the Animal Body Defends Itself

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