Genes and the genetic code

Question 1

Gene

Answer 1

A section of DNA that contains the coded information for making polypeptides and functional RNA

Question 2

Locus

Answer 2

Particular section of DNA where a particular gene is found

Question 3

How many amino acids are regularly found in proteins

Answer 3

20

Question 4

Degenerative code

Answer 4

More than 1 triplet can code form the same amino acid

Question 5

What are introns and extrons

Answer 5

Introns - Non coding sequences of DNA
Exon’s - coding sequences of DNA

Question 6

Features of genetic code

Answer 6

Universal - each triplet with some exceptions code form the same amino acids across all organisms
Non overlapping – each base sequence is only read once