Medical Quiz

DNA Replication Quiz

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The picture below shows the steps of DNA replication beginning with step one and ending with step three.

​Because you are reusing the old, or parent, DNA strand DNA replication is said to be
_
A. Semi- Conservative

B. Semi-discontinuous

C. Continuous

D. Fully-Conserveative


Which enzyme is responsible for adding nucleotides?
A. Topoisomerase
B. DNA Polymerase
C. Ligase
D. Primase


DNA replication results in two DNA molecules,
A. each one with two original strands
B. each one with two new strands
C. each one with one new strand and one original strand
D. one with two new strands and the other with two original strands


Match he nucleotide with its complementary nucleotide. (DNA to DNA).

Adenine –
_
A. Thymine

B. Guanine

C. Cytosine


Which letter in the picture below depicts the leading strand in DNA replication?

A. A

B. C

C. B

D. None of the above


This image shows that DNA Replication is _______.
A. Conservative
B. Semiconservative
C. Dispersive
D. Spontaneous


Okazaki fragments appear on which strand of DNA during DNA replication?

A. lagging

B. leading


A process in which DNA has the unique ability to make an exact copy of itself.
A. Replication
B. Translation
C. Transcription


What are the 4 nitrogen bases?
A. adenine, thymine, cytoplasm, and guanine
B. adenine, thymine cytosine, and guanine
C. adenine, thymine, cytosine, and gylcerol
D. adenine, thymine, cytosine, and glucose


Which is the second step?

A. DNA Helicase unwinds original DNA strand

B. RNA Primase lays down RNA primer for new nucleotide bases.

C. DNA polymerase builds new strands by bring in new nucleotide bases.

D. Ligase knits together fragments on lagging strand


Which letter in the picture below depicts the lagging strand in DNA replication?

A. A

B. C

C. B

D. None of the above


Which is the third step?

A. DNA Helicase unwinds original DNA strand

B. RNA Primase lays down RNA primer for new nucleotide bases.

C. DNA polymerase builds new strands by bring in new nucleotide bases.

D. Ligase knits together fragments on lagging strand


Which organelle is DNA usually found in?
A. cell membrane
B. vacuole
C. chloroplast
D. nucleus


The picture below shows an enzyme unwinding and unzipping DNA.

​​What is the name of this enzyme?
_
A. DNA Helicase

B. DNA Ligase

C. DNA polyermase

D. RNA Polymerase


The enzyme that unzips the DNA to prepare for replication
A. helicase
B. replicase
C. polymerase
D. synthase


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