PRACTICE QUESTIONS FROM QZZES Flashcards
1
Q
what type of RNA is involved in transcription phase?
A
hnRNA
2
Q
Which RNA contains introns and exons?
A
hnRNA
3
Q
they specify base sequence in terms of 4 nucleotide units.
A
Codons
4
Q
Is “trna & codon carrier” a correct base pair?
A
No
5
Q
this is the cloverleaf shape of tRNA molecules
A
3 hairpin loops & 1 open end
6
Q
Structurally ribosomes have :
A
2 rRNA - protein sub units
7
Q
number of codon binding sites in mRNA ribosome complex occupied
A
2
8
Q
What activity does not occur as part of post translation processing?
A
Elongation
9
Q
is “DNA-containing virus & retro virus” a correct pair?
A
No
10
Q
what are the roles of e coli plasmids
A
serve as host for foreign gene
11
Q
each cycle of polymerase chain reacts doubels what?
A
number of product molecules
