The Central Dogma (Lecture 1) Flashcards
1
Q
Into how many codons can the four DNA nucleotides be arranged?
A
64
2
Q
How many amino acids does the human DNA code for?
A
20
3
Q
What are synonymous codons?
A
Codons that code for the same animo acid.
4
Q
What is redundancy?
A
More that one codon that differ in their third nucleotide all code for the same amino acid.
5
Q
What is the the ‘start’ and methionine codon?
A
ATG
6
Q
What are the three ‘stop’ codons?
A
TAA, TAG, TGA
7
Q
Are synonymous codon frequencies the same in all organisms?
A
No
