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