DNA, genes and chromosomes Flashcards
1
Q
how many pairs of chromosomes in humans
A
23
2
Q
how many chromosomes in humans
A
46
3
Q
autosomal chromosomes
A
non-sex chromosomes
4
Q
how many autosomal chromosomes
A
22/44
5
Q
how many sex chromosomes
A
1/2
6
Q
chromosomes are
A
long chains of compact DNA
7
Q
sturcture
A
double helix
8
Q
DNA is made up of
A
4 bases
9
Q
4 bases
A
T A C G
10
Q
in RNA T is
A
U
11
Q
parts of DNA which encode for proteins
A
genes
12
Q
genes are made up of
A
codons
13
Q
how many bases in a codon
A
3
14
Q
codons code for
A
amino acids
15
Q
amino acids make up
A
proteins
