Chapter 4: Nucleic Acids and the Origin of Life Flashcards
1
Q
Nucleic Acids
A
(DNA and RNA) composed of nucleotides made up of sugar, phosphate and nitrogenous base
2
Q
DNA
A
deoxyribonucleic acid (double stranded)
3
Q
RNA
A
ribonucleic acid
single stranded
4
Q
phosphdiester linkages
A
backbone of DNA and RNA, chain of sugars and phosphate group
5
Q
RNA contains…
A
pyrimidines and purines
6
Q
Hydrogen bonding…
A
contributes to RNA structure
7
Q
DNA bases:
A
adenine(A), cytosine(C), guanine(G), thymine(T)
complementary base pairing
purines pair with pyrimidines by hydrogen bonding
8
Q
catabolism
A
breaking up large molecules to produce smaller ones
9
Q
Anabolism
A
bonding together small molecules to produce larger ones
10
Q
RNA base pairs
A
Adenine(A), Cytosine(C), Guanine(G), Uracil(U)
