2C: Genes Flashcards
1
Q
Exons
A
Coding regions of DNA
2
Q
Introns
A
Non coding regions of DNA
Only in Eukaryotes
3
Q
Promoter region
A
Binding site of RNA Polymerase
4
Q
What does it mean to call the genetic code ‘universal’?
A
- Nearly all living organisms use the same codons to code for specific amino acids
5
Q
What does it mean to call the genetic code ‘unambiguous’?
A
- Each codon is only capable of coding for one specific amino acid
6
Q
What does it mean to call the genetic code ‘degenerate’?
A
- While each codon only codes for ONE amino acid, MULTIPLE codons can code for each amino acid
7
Q
What does it mean to call the genetic code ‘non overlapping’?
A
- Each triplet and codon is read independently without overlapping adjacent triplets/codons
8
Q
Termination region
A
- Sequence signals the end of transcription
9
Q
Operator region
A
- Binding site for REPRESSOR PROTEINS, to inhibit gene expression
- Only in Prokaryotes
