Nucleic acids Flashcards by Rachel Muxlow | Brainscape

Q

What does a nucleotide consist of?

A

Pentose sugar
Phosphate group
Nitrogenous base

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Q

What are the pyrimidines?

A

Cytosine
Thymine
Uracil

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Q

What are the purines?

A

Adenine
Guanine

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Q

What bonds are seen in DNA and RNA?

A

Phosphodiester linkages

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Q

Where is DNA methylated in eukaryotes?

A

CG sites of promoters
To regulate gene expression

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Q

What are the subunits of ribosomes and rRNA?

A

Ribosome - 40S and 60S
rRNA - 28S, 18S, 5.8S, 5S

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