Question 1

In plants,cytokinesis occurs with the formation of:

Accepted Answer

A) a cell plate 
B) a set of asters and centrioles 
C) a cleavage furrow in the cell wall 
D) a cleavage furrow in the cytoplasm 
E) a cleavage furrow in the nuclear membrane 
A) a cell plate 
B) a set of asters and centrioles 
C) a cleavage furrow in the cell wall 
D) a cleavage furrow in the cytoplasm 
E) a cleavage furrow in the nuclear membrane A

Question 2

The formation of new blood cells within a tumor is referred to as carcinogenesis.

Accepted Answer

A) True 
 B)False  False

Question 3

G0 falls between S and M phases of the cell cycle.

Accepted Answer

A) True 
 B)False  False

Question 4

The formation of cancers often involve angiogenesis,the formation of new blood vessels.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following would decrease one's risk of getting cancer?

Accepted Answer

A) increased exposure to radiation 
B) increased consumption of antioxidants 
C) increased frequency of smoking 
D) increased body weight 
E) increased comsumption of alcohol 
A) increased exposure to radiation 
B) increased consumption of antioxidants 
C) increased frequency of smoking 
D) increased body weight 
E) increased comsumption of alcohol

Question 6

The first phase of mitosis is called

Accepted Answer

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

Question 7

A cell which has been irreparably damaged DNA would be eliminated by apoptosis.

Accepted Answer

A) True 
 B)False

Question 8

When observing an animal cell in telophase,you would expect to observe the formation of a(n)

Accepted Answer

A) cleavage furrow. 
B) cell plate. 
C) spindle. 
D) interphase junction. 
E) anaphase platE. 
A) cleavage furrow. 
B) cell plate. 
C) spindle. 
D) interphase junction. 
E) anaphase platE.

Question 9

A plant cell with four copies of every chromosome would produce daughter cells containing

Accepted Answer

A) four copies of every chromosome. 
B) two copies of every chromosome. 
C) two copies of some chromosomes. 
D) one copy of every chromosome. 
E) four copies of some chromosomes. 
A) four copies of every chromosome. 
B) two copies of every chromosome. 
C) two copies of some chromosomes. 
D) one copy of every chromosome. 
E) four copies of some chromosomes.

Question 10

The spindle has not changed significantly during the evolution of eukaryotic organisms.

Accepted Answer

A) True 
 B)False

Question 11

Cancerous cells can be properly said

Accepted Answer

A) to travel from the site of their formation. 
B) to become specialized. 
C) to divide in a controlled fashion. 
D) to avoid interfering with other cells. 
E) to be driven by normal genetics. 
A) to travel from the site of their formation. 
B) to become specialized. 
C) to divide in a controlled fashion. 
D) to avoid interfering with other cells. 
E) to be driven by normal genetics.

Question 12

Which sentence is true of most non-cancer cells,rather than of cancer cells?

Accepted Answer

A) They undergo metastasis and promote angiogenesis 
B) They lack differentiation 
C) They are specialized 
D) They have abnormal nuclei 
E) They can form tumors 
A) They undergo metastasis and promote angiogenesis 
B) They lack differentiation 
C) They are specialized 
D) They have abnormal nuclei 
E) They can form tumors

Question 13

Observing a tumor in a lab rat,you observe a large mass of cancerous cells.This should be called a(n)

Accepted Answer

A) tumor. 
B) metastatic mass. 
C) growth. 
D) cancer bundle. 
E) anomalous body. 
A) tumor. 
B) metastatic mass. 
C) growth. 
D) cancer bundle. 
E) anomalous body.

Question 14

While observing some cells,a scientist sees the organelles double in one cell.That cell is in what phase of the cell cycle?

Accepted Answer

A) S 
B) G0 
C) G1 
D) Cytokinesis 
E) Mitosis 
A) S 
B) G0 
C) G1 
D) Cytokinesis 
E) Mitosis

Question 15

Cancer cells result from the mutation of the DNA in non-cancerous cells.

Accepted Answer

A) True 
 B)False

Question 16

When you get a sunburn as the result of absorbing too much solar radiation,badly damaged cells can be eliminated by

Accepted Answer

A) interphase. 
B) apoptosis. 
C) spindle formation. 
D) sloughing off. 
E) immune reactions. 
A) interphase. 
B) apoptosis. 
C) spindle formation. 
D) sloughing off. 
E) immune reactions.

Question 17

It is possible to reprogram adult cells,such as epidermal cells,to produce stem cells for therapeutic uses.

Accepted Answer

A) True 
 B)False

Question 18

What is the value of the checkpoints in the cell cycle?

Accepted Answer

A) They prevent cells from advancing in the cell cycle until ready to complete the next stage. 
B) They ensure a balanced number of cells throughout the body. 
C) They aid in cell-cell communication. 
D) They allow cells to be pigmenteD. 
E) They allow the nuclear envelope to be a double membranE. 
A) They prevent cells from advancing in the cell cycle until ready to complete the next stage. 
B) They ensure a balanced number of cells throughout the body. 
C) They aid in cell-cell communication. 
D) They allow cells to be pigmenteD. 
E) They allow the nuclear envelope to be a double membranE.

Question 19

Mitosis corresponds with the S phase of the cell cycle.

Accepted Answer

A) True 
 B)False

Question 20

If an animal leg cell has 50 chromosomes,then what is haploid number of this species?

Accepted Answer

A) 25 chromosomes 
B) 100 chromosomes 
C) 50 chromosomes 
D) 50 pairs of chromosomes 
E) 25 pairs of chromosomes 
A) 25 chromosomes 
B) 100 chromosomes 
C) 50 chromosomes 
D) 50 pairs of chromosomes 
E) 25 pairs of chromosomes

Exam 8: Cellular Reproduction

In plants,cytokinesis occurs with the formation of:

The formation of new blood cells within a tumor is referred to as carcinogenesis.

G0 falls between S and M phases of the cell cycle.

The formation of cancers often involve angiogenesis,the formation of new blood vessels.

Which of the following would decrease one's risk of getting cancer?

The first phase of mitosis is called

A cell which has been irreparably damaged DNA would be eliminated by apoptosis.

When observing an animal cell in telophase,you would expect to observe the formation of a(n)

A plant cell with four copies of every chromosome would produce daughter cells containing

The spindle has not changed significantly during the evolution of eukaryotic organisms.

Cancerous cells can be properly said

Which sentence is true of most non-cancer cells,rather than of cancer cells?

Observing a tumor in a lab rat,you observe a large mass of cancerous cells.This should be called a(n)

While observing some cells,a scientist sees the organelles double in one cell.That cell is in what phase of the cell cycle?

Cancer cells result from the mutation of the DNA in non-cancerous cells.

When you get a sunburn as the result of absorbing too much solar radiation,badly damaged cells can be eliminated by

It is possible to reprogram adult cells,such as epidermal cells,to produce stem cells for therapeutic uses.

What is the value of the checkpoints in the cell cycle?

Mitosis corresponds with the S phase of the cell cycle.

If an animal leg cell has 50 chromosomes,then what is haploid number of this species?

Biology, the Study of Life

Basic Chemistry of Cells

Organic Molecules of Cells

Structure and Function of Cells

Dynamic Activities of Cells

Pathways of Photosynthesis

Pathways of Cellular Respiration

Sexual Reproduction

Patterns of Genetic Inheritance

Molecular Biology of Inheritance

Regulation of Gene Activity

Biotechnology and Genomics

Evidence of Evolution

Speciation and Evolution

The Evolutionary History of Life on Earth

Evolution of Microbial Life

Evolution of Protists

Evolution of Plants and Fungi

Evolution of Animals

Evolution of Humans

Plant Organization and Homeostasis

Transport and Nutrition in Plants

Control of Growth Responses in Plants

Reproduction in Plants

Animal Organization and Homeostasis

Coordination by Neural Signaling

Sense Organs

Locomotion and Support Systems

Circulation and Cardiovascular Systems

Lymph Transport and Immunity

Digestive Systems and Nutrition

Gas Exchange and Transport in Animals

Osmoregulation and Excretion

Coordination by Hormone Signaling

Reproduction and Development

Population Ecology

Behavioral Ecology

Community and Ecosystem Ecology

Major Ecosystems of the Biosphere

Conservation Biology

Filters

G₀falls between S and M phases of the cell cycle.