1
Q
what are the purines?
A
Adenine and Guanine
2
Q
What are the pyrimidines?
A
Thymine and cytosine
3
Q
what will adenine always pair with?
A
thymine
4
Q
what will guanine always pair with?
A
cytosine
5
Q
what does uracil replace in RNA?
A
thymine and pairs with adenine (A-U),
6
Q
which nitrogenous bases has a double-ring stucture?
A
Purines (adenine and guanine)
7
Q
which nitrogenous bases has a single ring structure?
A
pyrimidines (cytosine, thymine, and uracil
8
Q
whats a nucleoside?
A
sugar + nitrogenous base
9
Q
whats a nucleotide?
A
sugar + nitrogenous base + phosphate
(nucleoside = phosphate)
10
Q
where does dna transcription occur?
A
in the nucleus
11
Q
where does RNA translation occur?
A
Cytoplasm
12
Q
what enzyme is involved in DNA transcription?
A
RNA polymerase
13
Q
A
Buzz Words
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