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WorksheetsAP Nucleic Acids
Total questions: 8
Worksheet time: 5mins
The repeating units in both DNA and RNA are called
hydrogen bonds
nucleic acids
nucleotides
amino acids
The sugar that is in the backbone of DNA is called
fructose
ribose
glucose
deoxyribose
Nucleotide bases pair in DNA through
hydrogen bonds between complementary bases
polar covalent bonds between complementary bases
sugar bonds between complementary bases
none of the choices
What nucleotide base does RNA contain that DNA does not?
adenine (A)
cytosine (C)
uracil (U)
thymine (T)
If you have 40 adenine in a DNA molecule, how many thymine can you expect?
10
20
40
80
A piece of DNA was analysed and 15% of its nucleotides were adenine. What percentage would be uracil?
0%
15%
35%
70%
What are the components of a nucleotide?
pentose sugar and phosphate group
nitrogenous base, phospahte group, pentose sugar
nitrogenous base and DNA
nitrogenous base and pentose sugar
Which ones are purines?
Adenine and Guanine
Adenine and Thymine
Cytosine and Guanine
Cytosine and Thymine
