8.1 genes and the triplet code Flashcards
1
Q
what is a gene?
A
section of DNA that codes for polypeptides and functional RNA
2
Q
give 2 examples of functional RNA
A
ribosomal RNA and tRNA
3
Q
what is locus?
A
position of a DNA molecule
4
Q
what does degenerate mean?
A
amino acids are coded for by more than one triplet
5
Q
what does non- overlapping mean?
A
base is only read once
6
Q
what does universal mean?
A
each triplet codes for the same amino acid in all organisms
7
Q
what are introns?
A
non -coding DNA
8
Q
what are exons?
A
coding DNA
9
Q
what do some genes code for?
A
ribosomal RNA and tRNA
