Transcription

Question 1

What is transcription?

Answer 1

Making RNA from DNA code

Question 2

What is Central Dogma?

Answer 2

Genetic information flows only one direction, from DNA, to RNA, to protein, or RNA directly to protein

Question 3

What does the Enhancer do?

Answer 3

Act as switch, control if/how RNA is made from a gene

Question 4

What does the Promoter do?

Answer 4

Start site of transcription (“TATA” strand)

Question 5

What are exons?

Answer 5

Sequences that will be present in the mRNA

Question 6

What are introns?

Answer 6

Will be sliced out and removed

Question 7

What happens during initiation?

Answer 7

TF binds to promoter, attract RNA polymerase to begin copying gene into mRNA

Question 8

What happens during elongation?

Answer 8

RNA Pol breaks free of TF, protective 5’ cap is added to RNA, other proteins splice out introns

Question 9

What happens during termination?

Answer 9

Sequence is recognized and cut, PolyA tail is added
Longer tail = longer mRNA
Cytoplasm = more protein can be made from it

Question 10

What are the differences between DNA and RNA?

Answer 10

DNA: deoxyribose sugar, double stranded, stores genetic information

RNA: ribose sugar, single stranded, message and transport information