Microbial genetics roundup Flashcards
Nucleotides are always added to the exposed ___ end of the growing strand
3’
In a leading strand the ___ is facing toward the replication fork
3’
Why is the strand continuously replicated?
because of enzymatic simplicity and ease of access to the molecule
The lagging strand has which end facing the replication fork?
5’
What is needed to initiate strand growth in the absence of a nucleotide having a 3’ binding site?
RNA primer and RNA polymearse
What facilitates linkage of a nucleotide to both 3’ and 5’ binding sites simultaneously in a lagging strand?
DNA ligase
Newly stranded DNA ____ while parental DNA ____
Rewinds into a helix; unwinds
Codons are only found where?
mRNA
What specifies which amino acid will be carried by the tRNA?
The anticodon
Who is the facilitator of mRNA and tRNA functions?
Ribosomal RNA
Transcription is going from a code on DNA to ___
mRNA
Translation is going from a code on the mRNA to ____
Polypeptide (protein)
