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DNA Replication
Test Description: Choose the correct answer for each question.
Instructions: Answer all questions to get your test result.
1) The 'steps" of a DNA helix are composed of
A
glucose and hydrogen bonds
B
simple sugars and hydrogen bonds
C
nitrogen bases and hydrogen bonds
D
simple sugars only
2) The original strand of DNA is also know as the
A
template strand
B
complimentary strand
C
newest
D
oldest
3) DNA nucleotides are made of
A
nitrogen bases, a simple sugar, phosphate group
B
nitrogen bases only
C
DNA polymerase
D
glucose, hydrogen, phosphate group
4) What is the role of DNA polymerase in DNA replication?
A
To help the nitrogen bases stick together
B
To produce RNA
C
Polymerizes (breaks) individual nucleotides to produce DNA
D
To move nucleotides to the cytoplasm
5) Bases pairs found in a DNA helix are held together by what type of bond?
A
double bonds
B
triple bonds
C
electron bonds
D
hydrogen bond
6) The "backbone" of a DNA strand is composed of
A
nitrogen bases and hydrogen bonds
B
phophate groups and simple sugars
C
water
D
nitrogen bases
7) What causes DNA helix to to "unzip and unwind"?
A
phosphate groups
B
acids
C
bases
D
enzymes
8) The sequence on a DNA strand is GGCATTCGC what would the sequence on the complimentary strand be
A
CCCTAAGCG
B
CCGTTAGCG
C
CCGTAAGCG
D
CGCTAAGCG
9) How does DNA hold information?
A
in the hydrogen bonds
B
in the sequence of nucleotides
C
in the cytoplasm
D
in the nucleus
10) DNA is found in
A
prokaryotes and eukaryotes
B
prokaryotes only
C
humans only
D
eukaryotes only
*select an answer for all questions
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