DNA Flashcards
(9 cards)
1
Q
Full name
A
Deoxyribonucleic acid
2
Q
Molecule shape
A
Double helix
3
Q
Definition of polymer
A
Molecules made from large numbers of monomers joined together
4
Q
What is each but connected to
A
Phosphate group - Pentose sugar- nitrogenous base
5
Q
Name of 4 bases
A
A- adenine
T- thymine
G- guanine
C- cytosine
6
Q
What are the strands of dna held together by
A
Hydrogen bonds between A- T and G- C
7
Q
What is a phosphodiester bond
A
A condensation reaction between the phosphate group of 1 nucleotide and the pentose sugar of the next nucleotide
8
Q
What does the phosphodiester bond consist of
A
A phosphate group and 2 ester bonds O=C-O
9
Q
What does information does dna contain
A
Contains genetic information and the instructions for all the proteins the organism will ever synthesise
