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WorksheetsDNA Review 2
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
Which sequence of complementary DNA bases would pair with this partial strand
ATG TGA CAG?
ATG TGA CAG?
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
2.
Which of the following best describes a DNA molecule?
a)
double helix
b)
contains ribose
c)
made of amino acids
d)
contains uracil
3.
Which of the following monomers are repeatedly joined together to form a strand of DNA?
a)
amino acids
b)
nucleotides
c)
fatty acids
d)
polysaccharides
4.
In a molecule of double-stranded DNA, the amount of adenine present is always equal to the amount of _________.
a)
cytosine
b)
guanine
c)
thymine
d)
uracil
5.
What determines the code, or information, of a DNA molecule?
a)
the shape (structure) of the nitrogen bases
b)
the order (sequence) of the nitrogen bases
c)
the color of the nitrogen bases
d)
the frequency (number) of nitrogen bases
6.
A nitrogen base that bonds with cytosine; a purine
a)
thymine
b)
guanine
c)
helicase
d)
double helix
7.
Nitrogen base that pairs with adenine
a)
cytosine
b)
DNA polymerase
c)
deoxyribose
d)
thymine
8.
Which shows the correct complementary base pairing for DNA?
a)
C-A, T-G
b)
A-G, C-T
c)
C-G, U-A
d)
T-A, G-C
9.
Which is in order from largest to smallest structure?
a)
chromosome, DNA strand, gene, nucleotide
b)
chromosome, gene, DNA strand, nucleotide
c)
gene, DNA strand, chromosome, nucleotide
d)
DNA strand, chromosome, gene, nucleotide
10.
Which of the following is correctly matches: ATT GTA CGA
a)
TAA CAT GCT
b)
ATT GTA CGA
c)
TAA GTA TCG
d)
GCC ACG TAC
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