gene organisation, transcription and regulation Flashcards
DNA versus RNA: explain the basic differences between DNA and RNA, explain what is meant by transcription
1
Q
DNA
A
thymine, deoxyribose sugar
2
Q
RNA
A
uracil, ribose sugar
3
Q
transcription definition
A
process where nucleotide information in DNA is copied into RNA
4
Q
antisense strand
A
acts as template for transcription (contains introns and exons); complimentary to the protein product produced
5
Q
sense/coding strand
A
strand that runs in the same base sequence as the mRNA product
6
Q
why transcription
A
all cells have full genome, but different genes are expressed (specialisation); housekeeping genes always expressed