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