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DNA
Test Description: DNA structure test
Instructions: Answer all questions to get your test result.
1) What is the shape of DNA?
A
single helix
B
double ladder
C
stair case
D
double helix
2) How do the bases in DNA pair?
A
T-C A-G
B
A-C T-G
C
A-T C-G
D
C-A T-G
3) What bases are purines?
A
adenine and guanine
B
guanine and thymine
C
adenine and cytosine
D
thyamine and cytosine
4) What bases are pyrimidines?
A
thyamine and cytosine
B
adenine and guanine
C
adenine and cytosine
D
guanine and thymine
5) What type of bonds hold the bases together?
A
ionic bonds
B
covalent bonds
C
hydrogen bonds
D
strong bonds
6) What type of bonds are between the sugar and phosphate
A
ionic
B
covalent
C
weak
D
hydrogen
7) What protein does DNA wrap around?
A
enzyme
B
catalyst
C
non-histone
D
histone
8) How long is a strand of DNA that is unwound?
A
1nm
B
4 inches
C
6 foot
D
1 foot
9) Where is DNA located?
A
centrioles
B
cytoskeleton
C
cytoplasm
D
in the nucleus of living things
10) What are the parts of a nucleotide?
A
sugar phosphate base
B
lipid fat oil
C
carb, protein, amino acid
D
sugar protein enzyme
*select an answer for all questions
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