Problem set #5 Flashcards
What is DNA replication?
DNA replication is the process of making a duplicate DNA mole
When does DNA replication occur?
it occurs before cell division (during S phase of the cell cycle)
What are the 4 nucleotides that are consumed by DNA replication?
dATP,dTTP,dCTP, dGTP
Is the coding sequence of gene contained in the introns or the exons?
exons contain the coding sequence
list 3 ways that a transcribed gene is processed to make a mature mRNA
1) CAP is added to the 5’ end
2) introns are removed and exons spliced together
3) polyA tail added to the 3’ end
What does an aminoacyl-tRNA synthetase use to activate an amino acid before attaching it to its appropriate tRNA molecule?
ATP
What kind of functional group joins the amino acid and tRNA
an ester