DNA, RNA and Protein synthesis (Part 1) Flashcards
1
Q
DNA
A
DoexyriboNucleic Acid
Contains C, H, O, N, P.
Proposed by Watson and Crick
Composed of chains of sub units called nucleotides
2
Q
Nucleotide parts
A
A sugar
A phosphate
A Nitrogen containing base
3
Q
4 bases
A
Adenine (A)
Cytosine (C)
Guanine (G)
Thymine (T)
4
Q
Purines
A
Adenine and guanine
5
Q
Pyrimidines
A
Cytosine and thymine
6
Q
Nucleotide structure
A
Held together in long chains called strands
Phosphate-sugar backbone
7
Q
DNA molecule structure
A
Double stranded (Two strands)
Held together by hydrogen bonding between the bases
DNA Double Helix
8
Q
Complementary bases
A
Pairs of bases whose structures allow them to bind
A and T, C and G