Question 1

How does the space between our fingers arise?

Accepted Answer

A)  The cells die by necrosis
B)  Mitosis of the cells is blocked
C)  The cells die by apoptosis
D)  Meiosis of the cells is blocked
E)  The cells become part of the fingersF) A) and B)
G) A) and C)

Question 2

The DNA nitrogen bases that are purines are:

Accepted Answer

A)  Adenine and thymine
B)  Adenine and uracil
C)  Guanine and thymine
D)  Guanine and cytosine
E)  Adenine and guanineF) B) and E)
G) B) and D)

Question 3

If a sperm cell combines with an egg cell the result is a:

Accepted Answer

A)  Diploid cell
B)  Gamete
C)  Haploid cell
D)  Duplicated chromosome
E)  GametophyteF) A) and E)
G) A) and C)

Question 4

Why does a replication fork have a leading and lagging strand?

Accepted Answer

A)  Because DNA synthesis always goes from 3' to 5'
B)  Because DNA synthesis can grow off of either the 3' or 5' end
C)  Because DNA synthesis always goes from 5' to 3'
D)  To slow down DNA synthesis to make time for mitosis
E)  To slow down DNA synthesis to make time for the production of primersF) A) and E)
G) A) and D)

Question 5

The scientist (scientists) that was (were) given credit for first determining the structure of DNA by building a ball and stick model is (are) :

Accepted Answer

A)  Hershey and Chase
B)  Watson and Crick
C)  Avery and Macleod
D)  Chargaff
E)  GriffithF) B) and D)
G) C) and D)

Question 6

In order for a cell to become cancerous,oncogenes must be ___ and tumor suppressors ___.

Accepted Answer

A)  Inactivated, activated
B)  Both activated
C)  Both inactivated
D)  Activated, inactivatedE) None of the above
F) A) and C)

Question 7

The replication of DNA during the cell cycle occurs during:

Accepted Answer

A)  Mitosis
B)  Cytokinesis
C)  Prophase
D)  Telophase
E)  InterphaseF) A) and D)
G) A) and B)

Question 8

Each newly replicated molecule of DNA contains one conserved strand from the original DNA molecule.

Accepted Answer

A) True 
 B)False

Question 9

Apoptosis is also called:

Accepted Answer

A)  Replication
B)  Mitosis
C)  Programmed cell death
D)  The cell cycle
E)  Programmed cellular reproductionF) A) and D)
G) C) and D)

Question 10

In a sexual life cycle,a zygote grows to an adult by:

Accepted Answer

A)  Meiosis
B)  Fertilization
C)  Meiosis and Fertilization
D)  Mitosis
E)  All are correctF) None of the above
G) C) and D)

Question 11

The scientist (scientists) that confirmed DNA was the genetic information by working with bacteria that infect viruses is (are) :

Accepted Answer

A)  Griffith
B)  Hershey and Chase
C)  Avery and Macleod
D)  Watson and Crick
E)  ChargaffF) C) and E)
G) B) and C)

Question 12

Based on the structure of the DNA backbone you would predict the surface of histones to be:

Accepted Answer

A)  Negatively charged
B)  Positively charged
C)  Neutral
D)  Hydrophobic
E)  HydrophilicF) A) and B)
G) D) and E)

Question 13

The division of the nucleus during the cell cycle is:

Accepted Answer

A)  Mitosis
B)  Interphase
C)  Synthesis
D)  Cytokinesis
E)  ReplicationF) B) and C)
G) C) and D)

Question 14

A discreet package of DNA and associated proteins in eukaryotes is a:

Accepted Answer

A)  Chromosome
B)  Nucleus
C)  Ribosome
D)  Golgi body
E)  CentrioleF) A) and D)
G) B) and D)

Question 15

The correct sequence for the phases of mitosis is:

Accepted Answer

A)  Prometaphase - prophase - metaphase - anaphase - telophase
B)  Interphase - prophase - metaphase - anaphase - telophase
C)  Interphase - metaphase - anaphase - prophase - telophase
D)  Prophase - metaphase - prometaphase - anaphase - telophase
E)  Prophase - prometaphase - metaphase - anaphase - telophaseF) C) and E)
G) C) and D)

Question 16

Hershey and Chase showed that the virus T4:

Accepted Answer

A)  Injects protein into a bacterium
B)  Injects polysaccharide into a bacterium
C)  Injects DNA into a bacterium
D)  Injects protein and DNA into a bacterium
E)  Injects RNA into a bacteriumF) B) and C)
G) A) and E)

Question 17

The phase of mitosis in which the nuclear envelope reforms is:

Accepted Answer

A)  Prophase
B)  Prometaphase
C)  Metaphase
D)  Anaphase
E)  TelophaseF) B) and E)
G) D) and E)

Question 18

In eukaryotic cells DNA is found in the:

Accepted Answer

A)  Nucleus
B)  Chloroplasts
C)  Mitochondria
D)  All are correctE) A) and B)
F) B) and D)

Question 19

The process used to determine the order of bases in DNA is polymerase chain reaction.

Accepted Answer

A) True 
 B)False

Question 20

The molecule that controls the synthesis of proteins and copies itself for the next generation of cells is:

Accepted Answer

A)  ATP synthase
B)  DNA
C)  RNA
D)  NAD
E)  FADF) A) and B)
G) C) and D)

Exam 8: Dna Replication, mitosis and the Cell Cycle

The phase of mitosis in which the nuclear envelope reforms is:

Correct AnswerverifiedShow Answer

Why does a replication fork have a leading and lagging strand?

Correct AnswerverifiedShow Answer

Apoptosis is also called:

Correct AnswerverifiedShow Answer

The molecule that controls the synthesis of proteins and copies itself for the next generation of cells is:

Correct AnswerverifiedShow Answer

If a sperm cell combines with an egg cell the result is a:

Correct AnswerverifiedShow Answer

The DNA nitrogen bases that are purines are:

Correct AnswerverifiedShow Answer

The correct sequence for the phases of mitosis is:

Correct AnswerverifiedShow Answer

The process used to determine the order of bases in DNA is polymerase chain reaction.

Correct AnswerverifiedShow Answer

The scientist (scientists) that was (were) given credit for first determining the structure of DNA by building a ball and stick model is (are) :

Correct AnswerverifiedShow Answer

In eukaryotic cells DNA is found in the:

Correct AnswerverifiedShow Answer

The scientist (scientists) that confirmed DNA was the genetic information by working with bacteria that infect viruses is (are) :

Correct AnswerverifiedShow Answer

Based on the structure of the DNA backbone you would predict the surface of histones to be:

Correct AnswerverifiedShow Answer

Hershey and Chase showed that the virus T4:

Correct AnswerverifiedShow Answer

In a sexual life cycle,a zygote grows to an adult by:

Correct AnswerverifiedShow Answer

In order for a cell to become cancerous,oncogenes must be ___ and tumor suppressors ___.

Correct AnswerverifiedShow Answer

The division of the nucleus during the cell cycle is:

Correct AnswerverifiedShow Answer

A discreet package of DNA and associated proteins in eukaryotes is a:

Correct AnswerverifiedShow Answer

How does the space between our fingers arise?

Correct AnswerverifiedShow Answer

The replication of DNA during the cell cycle occurs during:

Correct AnswerverifiedShow Answer

Each newly replicated molecule of DNA contains one conserved strand from the original DNA molecule.

Correct AnswerverifiedShow Answer

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In order for a cell to become cancerous,oncogenes must be _ and tumor suppressors _.

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