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Vectors Uses For Animal Cell Culture(Biotechnology ) Questions and Answers
Home
Topic
Biotechnology
Vectors Uses For Animal Cell Culture
Question 1.
Yeast Replicating plasmids (YRp) carry
centromere
telomere
autonomously replicating sequence
both (a) and (c)
Explanation:-
Answer: Option C. ->
autonomously replicating sequence
Question 2.
Which of the following viruses are used as vectors for transferring genes to animal cells?
SV 40 virus
Bovine papilloma virus (BVP)
Retroviruses
All of these
Explanation:-
Answer: Option D. ->
All of these
Question 3.
Recombinant adeno virus can be created by deleting E1A/E 1B genes that are
transcriptional regulators and are essential for viral replication
not necessary for viral replication
coding for virus coat protein
important for packaging of viral DNA into viral head
Explanation:-
Answer: Option A. ->
transcriptional regulators and are essential for viral replication
Question 4.
Using bovine papilloma virus (BPV) derived vectors, permanent cell lines can be obtained carrying a recombinant DNA
episomally only
integrated only
either episomally or integrated at high copy number
either episomally or integrated at low copy number
Explanation:-
Answer: Option C. ->
either episomally or integrated at high copy number
Question 5.
Which of the following histone is not present in SV40 virus?
H1
H2A
H3
H4
Explanation:-
Answer: Option A. ->
H1
Question 6.
Retroviruses have advantage for being used as vector for animal cells because
they cover a wide host range
infection does not lead to cell death, infected cells produce virus over an indefinite period
viral gene expression is driven by strong promoters
all of the above
Explanation:-
Answer: Option D. ->
all of the above
Question 7.
Autonomously replicating sequence is not present in
YIp
YRp
YCp
YAC
Explanation:-
Answer: Option A. ->
YIp
Question 8.
In case of Baculoviruses, the foreign gene
is inserted downstream of polyhedrin promoter
is inserted downstream of viral origin of replication
is inserted between the polyhedrin promoter and downstream sequences
is inserted randomly in viral genome
Explanation:-
Answer: Option C. ->
is inserted between the polyhedrin promoter and downstream sequences
Question 9.
α-aminoadipate inhibits the growth if one of the following marker is present in the yeast. That is
His 3
Lys 2
Ura 3
Trp 1
Explanation:-
Answer: Option B. ->
Lys 2
Question 10.
. Yeast episomal plasmids (YEp) were constructed using
2μm yeast plasmid, fragments of yeast nuclear DNA and E coli vector pMB 9
2μm yeast plasmid, fragments of yeast nuclear DNA and E coli vector pBR 322
12μm yeast plasmid and E coli vector pMB 9
12μm yeast plasmid and E coli vector pBR 322
Explanation:-
Answer: Option A. ->
2μm yeast plasmid, fragments of yeast nuclear DNA and E coli vector pMB 9
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