25 questions
What helps RNA polymerase attach to a gene in transcription? Also, name the gene section. (Ch 13)
transcription factors, elongator
transcription factors, promoter
enzymes, terminator
enzymes, promotoer
The end of the growing RNA strand in transcription to which RNA polymerase can add nucleotides? (Think: Reading DNA 3' to 5', creating 5' to .....)
3'
5'
1'
2'
Which of the following represent the order that a codon goes through the ribosome sites? (Except for the very first tRNA)
A->P->E
P->A->E
E->A->P
A->E->P
What happens in RNA processing and where does it occur?
5' cap and 3' poly A tail added, cut out introns, in nucleus
3' cap and 5' poly A tail added, in cytoplasm
introns cut out and introns reattached, nucleus
introns cut out and exons reattached, cytoplasm
Where is the TATA box found? (later)
in the promoter sequence of prokaryotes
in the terminator sequence of prokaryotes
in the promoter sequence of eukaryotes
in the terminator sequence of eukaryotes
What type of frameshift mutation happens when the mRNA codes for a stop to soon? (Ch 13)
Extensive Missense
Immediate Nonsense
Limited Effect
Type of point mutation that has no change on the protein being made. (Ch 13)
Nonsense Mutation
Missense
Silent Mutation