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DNA
Test Description: Review for Life Science Spring 2014 Final
Instructions: Answer all questions to get your test result.
1) 1. For which of these is DNA ultimately responsible?
A
neither A nor B
B
brown hair
C
both A and B
D
an inherited disease
2) 2. Which of these follows the principle of base pairing?
A
purine-purine
B
adenine-adenine
C
guanine-thymine
D
adenine-thymine
3) 3. Which of the following best illustrates the sequence in the expression of blue eyes from a parent to offspring?
A
trait ribosome
B
trait DNA
C
DNA trait
D
ribosome trait
4) 4. If a sequence on one DNA strand reads A-T-C-C-T-G-C-A, what will the complementary strand sequence read?
A
G-C-T-T-C-A-T-G
B
C-G-A-A-G-T-A-C
C
T-A-G-G-A-C-G-T
D
A-T-C-C-T-G-C-A
5) 5. What forms the backbone of DNA?
A
a nucleotide
B
both A and B
C
neither A nor B
D
a sugar
6) 6. Who were the co-discoverers of the double helix structures of DNA?
A
Mieure, Pegue and Watkins
B
Darwin and Lamark
C
Hooke and Watson
D
Crick and Watson
7) 7. How are the four DNA bases typically abbreviated?
A
Ad, Ur, Cy, Gu
B
A, T, C, G
C
Ad, Th, Cy, Gu
D
A, U, C, G
8) 8. Which of the following is NOT a component of DNA?
A
a sugar
B
an amino acid
C
a phosphate group
D
a nitrogenous base
9) 9. Which of the following best describes the structure of a typical molecule of DNA?
A
helical
B
complementary
C
double-stranded helix
D
double-stranded
10) 10. How much of the DNA is replicated during each DNA replication?
A
as much as is needed, depending on certain factors
B
half (one of the two strands)
C
all of the DNA
D
only small regions (genes) of the DNA
11) 11. If hydrogen bonds connect complementary nitrogenous bases, then what type of bonds connect one strand of DNA to the other?
A
ionic
B
covalent
C
hydrogen
D
nitrogen
12) 12. What is the genetic material that passes information from one generation to the next?
A
a nucleotide
B
RNA
C
DNA
D
a ribosome
*select an answer for all questions
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