Question 1

Which is a common feature of cancer cells?

Accepted Answer

A)  anchorage dependence 
B)  contact inhibition 
C)  metastasis 
D)  controlled division 
A)  anchorage dependence 
B)  contact inhibition 
C)  metastasis 
D)  controlled division

Question 2

What are specialized cells (egg cells and sperm cells, for example) used for sexual reproduction?

Accepted Answer

The answer of What are specialized cells (egg cells and...

Question 3

How does crossing over increase genetic diversity?

Accepted Answer

A)  Crossing over increases the different combinations of genes present in a gamete. 
B)  Crossing over allows specific genes to travel together on one chromosome. 
C)  Crossing over increases the incidence of mutations in genes. 
D)  Crossing over prevents the inheritance of harmful mutations. 
A)  Crossing over increases the different combinations of genes present in a gamete. 
B)  Crossing over allows specific genes to travel together on one chromosome. 
C)  Crossing over increases the incidence of mutations in genes. 
D)  Crossing over prevents the inheritance of harmful mutations.

Question 4

-According to the diagram, what structures are connected to the centrioles by the microtubules during mitosis?

Accepted Answer

A)  the nuclear envelope 
B)  uncondensed DNA 
C)  cytoplasm 
D)  centromeres 
A)  the nuclear envelope 
B)  uncondensed DNA 
C)  cytoplasm 
D)  centromeres

Question 5

What observations would be made by a scientist viewing cancer cells under a microscope?

Accepted Answer

A)  orderly rows of cells 
B)  cells that are much smaller than normal cells 
C)  large growths containing fluid 
D)  disorganized cells 
A)  orderly rows of cells 
B)  cells that are much smaller than normal cells 
C)  large growths containing fluid 
D)  disorganized cells

Question 6

What term describes nucleotides in opposing strands of DNA that bind to each other?

Accepted Answer

A)  semiconservative 
B)  complementary 
C)  conjoined 
D)  sister chromatids 
A)  semiconservative 
B)  complementary 
C)  conjoined 
D)  sister chromatids

Question 7

During which phase of mitosis are the replicated chromosome aligned in the middle of the cell?

Accepted Answer

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

Question 8

During which meiotic phase does crossing over occur?

Accepted Answer

A)  anaphase I of meiosis I 
B)  anaphase II of meiosis II 
C)  prophase I of meiosis I 
D)  prophase II of meiosis II 
A)  anaphase I of meiosis I 
B)  anaphase II of meiosis II 
C)  prophase I of meiosis I 
D)  prophase II of meiosis II

Question 9

What is meant by the "multiple hit" model of cancer?

Accepted Answer

A)  Most cancer-causing mutations are passed on to future generations. 
B)  Most cancers occur in many different tissues simultaneously. 
C)  Multiple mutations are required to cause most forms of cancer. 
D)  A person gets cancer only if both of his or her parents had cancer. 
A)  Most cancer-causing mutations are passed on to future generations. 
B)  Most cancers occur in many different tissues simultaneously. 
C)  Multiple mutations are required to cause most forms of cancer. 
D)  A person gets cancer only if both of his or her parents had cancer.

Question 10

Why is DNA replication considered semiconservative?

Accepted Answer

A)  DNA is created from only four of nine available nucleotides. 
B)  The DNA molecule includes a parental strand and newly created DNA strand. 
C)  DNA is not just one strand but two complementary strands. 
D)  DNA is divided into a top half and a bottom half before replicating. 
A)  DNA is created from only four of nine available nucleotides. 
B)  The DNA molecule includes a parental strand and newly created DNA strand. 
C)  DNA is not just one strand but two complementary strands. 
D)  DNA is divided into a top half and a bottom half before replicating.

Question 11

In a certain species of animal, 33% of the bases in its DNA are A. What percent of the bases are C?

Accepted Answer

A)  8.5% 
B)  17% 
C)  33% 
D)  34% 
A)  8.5% 
B)  17% 
C)  33% 
D)  34%

Question 12

What enzyme assists in DNA synthesis? (two words)

Accepted Answer

The answer of What enzyme assists in DNA synthesis? (two...

Question 13

Which feature of cancer cells is targeted by most forms of chemotherapy?

Accepted Answer

A)  anchorage independence 
B)  cell division 
C)  invasiveness of surrounding tissues 
D)  metastasis 
A)  anchorage independence 
B)  cell division 
C)  invasiveness of surrounding tissues 
D)  metastasis

Question 14

When do sister chromatids separate?

Accepted Answer

A)  meiosis I and meiosis II 
B)  meiosis I and mitosis 
C)  mitosis and cytokinesis 
D)  meiosis II and mitosis 
A)  meiosis I and meiosis II 
B)  meiosis I and mitosis 
C)  mitosis and cytokinesis 
D)  meiosis II and mitosis

Question 15

What is the correct order of events in mitosis?

Accepted Answer

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

Question 16

Which cells would spend the most time in interphase?

Accepted Answer

A)  skin cells on the hands 
B)  epithelial cells lining the intestine 
C)  nerve cells in the brain 
D)  mucous membrane cells in the mouth 
A)  skin cells on the hands 
B)  epithelial cells lining the intestine 
C)  nerve cells in the brain 
D)  mucous membrane cells in the mouth

Question 17

What is the surgical removal of cells, tissue, or fluid that will be analyzed for cancerous cells?

Accepted Answer

The answer of What is the surgical removal of cells,...

Question 18

What type of normal human cell contains 44 autosomes and two X chromosomes?

Accepted Answer

A)  egg cell 
B)  somatic cell of a female 
C)  somatic cell of a male 
D)  sperm cell 
A)  egg cell 
B)  somatic cell of a female 
C)  somatic cell of a male 
D)  sperm cell

Question 19

What are the places in the cell cycle where proteins survey the cell to make sure that conditions for a favorable cell division have been met?

Accepted Answer

The answer of What are the places in the cell...

Question 20

What gene encodes a protein that will inhibit cell division?

Accepted Answer

A)  angiogenesis inhibitor 
B)  growth factor 
C)  oncogene 
D)  tumor-suppressor gene 
A)  angiogenesis inhibitor 
B)  growth factor 
C)  oncogene 
D)  tumor-suppressor gene

Exam 6: Cancer: DNA Synthesis, Mitosis, and Meiosis

Which is a common feature of cancer cells?

What are specialized cells (egg cells and sperm cells, for example) used for sexual reproduction?

How does crossing over increase genetic diversity?

-According to the diagram, what structures are connected to the centrioles by the microtubules during mitosis?

What observations would be made by a scientist viewing cancer cells under a microscope?

What term describes nucleotides in opposing strands of DNA that bind to each other?

During which phase of mitosis are the replicated chromosome aligned in the middle of the cell?

During which meiotic phase does crossing over occur?

What is meant by the "multiple hit" model of cancer?

Why is DNA replication considered semiconservative?

In a certain species of animal, 33% of the bases in its DNA are A. What percent of the bases are C?

What enzyme assists in DNA synthesis? (two words)

Which feature of cancer cells is targeted by most forms of chemotherapy?

When do sister chromatids separate?

What is the correct order of events in mitosis?

Which cells would spend the most time in interphase?

What is the surgical removal of cells, tissue, or fluid that will be analyzed for cancerous cells?

What type of normal human cell contains 44 autosomes and two X chromosomes?

What are the places in the cell cycle where proteins survey the cell to make sure that conditions for a favorable cell division have been met?

What gene encodes a protein that will inhibit cell division?

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