1: BIOLOGICAL MOLECULES - DNA + RNA Flashcards
1
Q
What is the function of DNA?
A
stores genetic info
2
Q
What is the function of RNA?
A
- transfers genetic info from DNA to ribosomes
- ribosomes are formed from RNA and proteins
3
Q
What are the components of a nucleotide?
A
- pentose sugar
- nitrogen-containing organic bases
- phosphate group
4
Q
What is the pentose sugar in a DNA nucleotide?
A
deoxyribose sugar
5
Q
What is the pentose sugar in an RNA nucleotide?
A
ribose sugar
6
Q
What are the 4 different possible bases in a DNA nucleotide?
A
- adenine (A)
- thymine (T)
- guanine (G)
- cytosine (C)
7
Q
What are the 4 different possible bases in an RNA nucleotide?
A
- adenine (A)
- uracil (U)
- guanine (G)
- cytosine (C)
8
Q
What type of reaction joins nucleotides together?
A
condensation reaction
9
Q
What type of bond forms between nucleotides that have been joined together by a condensation reaction?
A
phosphodiester bonds
10
Q
A
