AP Biology Unit 6: Gene Expression & Regulation
Assessment
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Suzanne Marshalla
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Science
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10th - 12th Grade
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6 plays
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Medium
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60 questions
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1.
Multiple Choice
What does transformation involve in bacteria?
the infection of cells by a phage DNA molecule
assimilation of external DNA into a cell
2.
Multiple Choice
Cytosine makes up 38% of the nucleotides in a sample of DNA from an organism.
Approximately what percentage of the nucleotides in this sample will be thymine?
12%
24%
31%
38%
3.
Multiple Choice
Why does the DNA double helix have a uniform diameter?
Purines pair with pyrimidines.
Deoxyribose sugars bind with ribose sugars.
4.
Multiple Choice
What kind of chemical bond is found between paired bases of the DNA double helix?
hydrogen
ionic
covalent
5.
Multiple Choice
In an analysis of the nucleotide composition of DNA, which of the following will be found?
A = G and C = T
A + C = G + T
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