Question 1

Cells are specialized to form tissues and organs through the control of gene expression. Gene expression is regulated (turning on and off genetic instructions)  by

Accepted Answer

A)   nearby cell signals.
B)   environmental factors.
C)   nearby cell signals and environmental factors.
D)   rapid cell divisions.
E)   nearby cell signals and rapid cell divisions.F) A) and D)
G) A) and C)

Question 2

Cancer cells __________.

Accepted Answer

A)   are less specialized
B)   no longer function with neighboring cells
C)   divide rapidly
D)   ignore the genetic information
E)   All of the answer choices are correct.F) B) and C)
G) A) and E)

Question 3

Mutations in DNA can result in cancerous cells. These cells are structurally altered but their functions remain normal.

Accepted Answer

A) True 
 B)False

Question 4

Some antimetabolites are called antibiotics. From the list below, select all statements that characterize these compounds. (Check all that apply.)

Accepted Answer

A)   They are designed to kill bacteria.
B)   They interfere with specific enzyme functions.
C)   They interfere with RNA formation during gene expression.
D)   They interfere with DNA replication.
E)   They can be used to treat any infection.F) D) and E)
G) A) and B)

Question 5

There are three checkpoints during cell division. Which checks for DNA replication?

Accepted Answer

A)   M
B)   G2
C)   G1D) A) and B)
E) A) and C)

Question 6

Malignant tumors need nutrients and oxygen to grow. From what structures do they obtain nutrients and oxygen?

Accepted Answer

A)   Capillaries
B)   Lymphatic vessels
C)   Lungs
D)   Kidneys
E)   ArteriesF) A) and E)
G) C) and D)

Question 7

Cancer ______ are used to protect against some forms of cancer and can be used to warn the body of existing cancers.

Accepted Answer

The answer of Cancer ______ are used to protect against...

Question 8

In which stage does the cell spend most of its time?

Accepted Answer

A)   Interphase
B)   Cytokinesis
C)   Anaphase
D)   Prophase
E)   TelophaseF) C) and D)
G) D) and E)

Question 9

In ______ radiation, a radioactive substance is either ingested or injected into the blood. It can then be targeted for therapy.

Accepted Answer

The answer of In ______ radiation, a radioactive substance is...

Question 10

The main difference between Stage 0 and Stage 1 cancer is that in Stage 1, the cancer cells have

Accepted Answer

A)   begun to spread to a few lymph nodes.
B)   formed a larger tumor.
C)   spread to all lymph nodes.
D)   spread extensively throughout body.
E)   spread to neighboring organs.F) B) and D)
G) A) and B)

Question 11

Cancer begins with a series of events. One of these events is becoming immortal. Explain how these cells become immortal.

Accepted Answer

Cancer cells become immortal through a p...

Question 12

A breast cancer patient may be diagnosed with being hormone receptor positive. This receptor protein is known as the ______ protein.

Accepted Answer

A)   HER-2
B)   p53
C)   BRCA1
D)   HER-1
E)   TP53F) D) and E)
G) None of the above

Question 13

Chromosomes are copied

Accepted Answer

A)   during mitosis.
B)   in the growth phase of interphase (G1) .
C)   immediately before cell division (G2) .
D)   between the growth phase (G1)  and preparation for cell division (G2) .E) A) and D)
F) A) and B)

Question 14

During the division of eukaryotic cells, the ______ assists by dividing the genetic material and cell contents into the two resulting cells.

Accepted Answer

A)   nucleus
B)   centrioles
C)   ribosomes
D)   lysosome
E)   mitochondriaF) B) and E)
G) A) and E)

Question 15

Cells within the inside of a tumor secrete growth factors, which cause capillaries to grow toward the tumor. This process is called ______, and contributes to the growth and spread of the tumor.

Accepted Answer

A)   metastasis
B)   angiogenesis
C)   biogenesis
D)   abiogenesisE) B) and C)
F) A) and D)

Question 16

The main difference between Stages 2A and 2B breast cancer, is that in Stage 2B the tumors in nearby lymph nodes are __________.

Accepted Answer

A)   less than 2 cm
B)   between 2-5 cm
C)   between 5-10 cm
D)   greater than 10 cmE) A) and B)
F) None of the above

Question 17

If a gene mutation occurs that results in a premature stop codon in the mRNA sequence, the protein will __________.

Accepted Answer

A)   misfold
B)   be incomplete
C)   be normal
D)   cause other proteins to misfold
E)   be larger in sizeF) A) and C)
G) A) and E)

Question 18

Which characteristic corresponds with Stage 2 of breast cancer?

Accepted Answer

A)   Cancer begins invading more lymph nodes and tissue
B)   Cancer is localized and less than 2 cm
C)   Cancer extensively spreads to nearby tissue
D)   Cancer spreads to other organs
E)   Cancer is found in a few lymph nodesF) All of the above
G) A) and C)

Question 19

The stages of breast cancer are determined by an oncologist by addressing four questions. Provide three of the four questions.

Accepted Answer

eukaryotes...

Question 20

A research oncologist is one who studies the causes and treatments of cancer. What area(s)  would a research oncologist study to understand the formation of a new cancer?

Accepted Answer

A)   Genetic factors
B)   Environmental factors
C)   Prevalence in males versus females
D)   All of the answer choices are correct.E) B) and C)
F) A) and C)

Exam 1: Understanding Cancer: Causes, Effects, and Treatments

A breast cancer patient may be diagnosed with being hormone receptor positive. This receptor protein is known as the ______ protein.

Correct AnswerverifiedShow Answer

Cancer begins with a series of events. One of these events is becoming immortal. Explain how these cells become immortal.

Correct AnswerAnswered by ExamLex AICancer cells become immortal through a p...View AnswerShow Answer

Chromosomes are copied

Correct AnswerverifiedShow Answer

Cancer ______ are used to protect against some forms of cancer and can be used to warn the body of existing cancers.

Correct AnswerverifiedShow Answer

The stages of breast cancer are determined by an oncologist by addressing four questions. Provide three of the four questions.

Correct Answerverifiedeukaryotes...View AnswerShow Answer

A research oncologist is one who studies the causes and treatments of cancer. What area(s) would a research oncologist study to understand the formation of a new cancer?

Correct AnswerverifiedShow Answer

Cells within the inside of a tumor secrete growth factors, which cause capillaries to grow toward the tumor. This process is called ______, and contributes to the growth and spread of the tumor.

Correct AnswerverifiedShow Answer

Which characteristic corresponds with Stage 2 of breast cancer?

Correct AnswerAnswered by ExamLex AIShow Answer

Cells are specialized to form tissues and organs through the control of gene expression. Gene expression is regulated (turning on and off genetic instructions) by

Correct AnswerverifiedShow Answer

Some antimetabolites are called antibiotics. From the list below, select all statements that characterize these compounds. (Check all that apply.)

Correct AnswerverifiedShow Answer

There are three checkpoints during cell division. Which checks for DNA replication?

Correct AnswerverifiedShow Answer

In ______ radiation, a radioactive substance is either ingested or injected into the blood. It can then be targeted for therapy.

Correct AnswerverifiedShow Answer

Mutations in DNA can result in cancerous cells. These cells are structurally altered but their functions remain normal.

Correct AnswerverifiedShow Answer

The main difference between Stage 0 and Stage 1 cancer is that in Stage 1, the cancer cells have

Correct AnswerverifiedShow Answer

The main difference between Stages 2A and 2B breast cancer, is that in Stage 2B the tumors in nearby lymph nodes are __________.

Correct AnswerverifiedShow Answer

Cancer cells __________.

Correct AnswerverifiedShow Answer

Malignant tumors need nutrients and oxygen to grow. From what structures do they obtain nutrients and oxygen?

Correct AnswerverifiedShow Answer

If a gene mutation occurs that results in a premature stop codon in the mRNA sequence, the protein will __________.

Correct AnswerverifiedShow Answer

During the division of eukaryotic cells, the ______ assists by dividing the genetic material and cell contents into the two resulting cells.

Correct AnswerverifiedShow Answer

In which stage does the cell spend most of its time?

Correct AnswerverifiedShow Answer

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Answered by ExamLex AI
Cancer cells become immortal through a p...
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eukaryotes...
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Answered by ExamLex AI

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