DNA and RNA structure

Question 1

what does DNA stand for?

Answer 1

deoxyribonucleic acid

Question 2

where is DNA found?

Answer 2

in the nucleus

Question 3

what is the function of DNA?

Answer 3

> contains genetic info and codes for amino acid sequence

Question 4

where and how is DNA read?

Answer 4

> in the ribosomes
needs to be converted to mRNA to leave the nucleus as DNA is charged/polar and too big too leave

Question 5

what are ribosomes made of?

Answer 5

RNA and proteins

Question 6

what are the similarities between RNA and DNA?

Answer 6

> both have nitrogenous bases - adenine, guanine, cytosine
both have pentose sugar
both have phosphate groups
both are polymers of nucleotides

Question 7

what are the differences between RNA and DNA?

Answer 7

> RNA is single stranded whereas DNA is double stranded
RNA has a ribose sugar whereas DNA has a deoxyribose sugar
RNA has uracil whereas DNA has thymine - (organic bases)

Question 8

which bases make up purines?

Answer 8

A - adenine
G - guanine

Question 9

how many rings do purines have?

Answer 9

2 rings

Question 10

which bases make up pyrimidines?

Answer 10

T - thymine
U - uracil
C - cytosine

Question 11

how many rings do pyrimidines have?

Answer 11

1 ring