4.2 Flashcards
(16 cards)
In what order do the Enzymes do their funciton
Helicase
primase
DNA polymerase 3
DNA polymerase 1
Ligase
What does DNA polymerase 3 do
adds complimentary pairs to bind DNA molecule
What does Ligase do
Attaches nucleotide fragments together
What does Helicase do
Separates the DNA into two strands
What is the order of the lagging and leading strands
5’ -> 3’
What direction does the top DNA strand go
3’ -> 5’
What direction does the bottom DNA strand go
5’ -> 3’
What are the stages of transcription
Initiation
Elongation
Termination
What is elongation
the second stage of transcription, lengthening of the mRNA
What is termination
Termination sequence recognized and cut
RNA
Adenine - uracil
Guanine - Cytosine
What is a promoter
starting transcription
Enhancer/Silencer
Binding site for transcription factors
What happens between DNA and RNA
transcription
What happens between RNA and Protein
Translation
