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Genetics Part 1a
Test Description: Quiz covering DNA structure, Function and History.
Instructions: Answer all questions to get your test result.
1) What stores information in a cell?
A
proteins
B
Cells
C
DNA
D
lipids
2) In what way is DNA like a book?
A
DNA has stored information, that can be copied and passed on.
B
DNA has information wrapped in an identifying cover.
C
DNA has information organized with an kind of index.
D
DNA has information that is periodically updated.
3) Because of base pairing in DNA, the percentage of
A
cytosine molecules in DNA is much greater than the percentage of guanine molecules.
B
thymine molecules in DNA is about equal to the percentage of adenine molecules
C
adenine molecules in DNA is about equal to the percentage of guanine molecules.
D
adenine molecules in DNA is much greater than the percentage of thymine molecules.
4) What structural problem prevents adenine from pairing with guanine?
A
The bases are both short.
B
They lack the deoxyribose group.
C
The bases are both long.
D
They lack phosphate groups.
5) Rosalind Franklin contributed to the understanding of DNA by
A
figuring out that DNA strands form a double helix.
B
finding that DNA was nucleic acid made up of a long chain of individual nucleotides.
C
producing images of DNA molecules using X-rays.
D
conducting experiments that showed which nucleotides are complementary.
6) Which of the following forms a base pair with thymine?
A
guanine
B
cytosine
C
adenine
D
deoxyribose
7) Which scientist(s) figured out that the shape of a DNA molecule is a double helix?
A
Franklin
B
Griffith
C
Hershey and Chase
D
Watson and Crick
8) Which of the following is a nucleotide found in DNA?
A
cytosine + phosphate group + guanine
B
deoxyribose + phosphate group + cytosine
C
deoxyribose + phosphate group + polymerase
D
adenine + phosphate group + thymine
9) Which of the following are purines?
A
cytosine and guanine
B
adenine and thymine
C
cytosine and thymine
D
adenine and guanine
10) What are the building blocks of a DNA molecule?
A
nucleotides
B
proteins
C
deoxiribose and phosphate
D
sugar
*select an answer for all questions
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