Resistance to methotrexate, which inhibits the enzyme dihydrofolate re – McqOptions

MCQOPTIONS

1.	Resistance to methotrexate, which inhibits the enzyme dihydrofolate reductase (DHFR) is used as a selectable marker. This enzyme is involved in the synthesis of _____ carbon units and is required for _____ biosynthesis.
A.	two, nucleoside
B.	two, nucleotide
C.	one, nucleotide
D.	one, nucleoside
Answer» E.

Discussion

No Comment Found

Related MCQs

Splicing of the transcripts is necessary for efficient expression.
In ___________ cells, virus replication doesn t take place and viral DNA ___________
Cells whose contents have been removed and replaced, by swelling and shrinking in solutions of suitable osmotic strength are called as ____________
DEAE-dextran is used for introduction of DNA. It is a modified _____ and is ______
A wide range of host cell lines are available and commonly used human cell lines are obtained from ___________
Many mammalian cells contain Thymidine Kinase, the mammalian enzyme uses the analogue _____ than does the viral enzyme.
Histidinol dehydrogenase allows synthesis of histidine from exogenous histanol.
Resistance to methotrexate, which inhibits the enzyme dihydrofolate reductase (DHFR) is used as a selectable marker. This enzyme is involved in the synthesis of _____ carbon units and is required for _____ biosynthesis.
Resistance to bleomycin (zeocin) is used as a selectable marker for mammalian cultured cells and its function is ____________
Puromycin is a protein synthesis inhibitor. It is conferred by _______ gene.