Nat5 Biology Unit One Cell Biology Key Area 3 DNA and the production of proteins Flashcards
1
Q
What is the structure of DNA?
A
A double stranded helix
2
Q
How are the DNA strands held together?
A
Complementary base pairs
3
Q
What does DNA do?
A
It carries the genetic information for making proteins
4
Q
What do the four bases make up?
A
The genetic code- DNA
6
Q
What are the complementary base pairs in DNA?
A
Adenine,Thymine,Cytosine,Guanine
A,T,C,G
7
Q
What bases are paired together?
A
A&T
C&G
8
Q
What do the base sequences determine?
A
The amino acids sequence in the proteins
9
Q
What are proteins made up of?
A
Amino acids
10
Q
What does DNA stand for?
A
Deoxyribonucleic acid
11
Q
What is messenger RNA (mRNA)?
A
A molecule which carries a complementary copy of the genetic code from the DNA, in the nucleus, to a ribosome, where the protein is assembled from amino acids
