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The size of the genome of SV 40 is A. 7.2 kb B. 69 kb C. 5.2 kb D. 110 kb.... YAC vectors can be used to obtain artificial chromosomes because it carries A. centromere B. telomere C. autonomously replicating sequence D. all of these.... Maximum insert size in case of adenovirus vectors is A. 6-8 kb B. 4-6 kb C. 10-12 kb D. 20 kb.... SV 40 vectors, in which late region replacements are done, require A. COS cell line B. SV 40 helper virus C. pBR 322 vector....

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SV 40 vectors, in which early region replacements are carried out, require A. COS cell line B. SV 40 helper virus C. pBR 322 vector D. none of these... Cloning genes in the yeast offer which of following advantage(s)? A. Over production of proteins of commercial value B. Ability to glycosylate proteins during secretion C. Ability to clone large piece of DNA D. All of the above View Answer Workspace Report Discuss in Forum Which one of the following is true about Yeast Episomal plasmids (YEp) vectors? A. Allows transformation by using crossing over B. Has a origin of replication and rep genes C. Carries autonomously replicating sequence D. Carries centromere and telomere sequences...

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Using bovine papilloma virus (BPV) derived vectors, permanent cell lines can be obtained carrying a recombinant DNA A. episomally only B. integrated only C. either episomally or integrated at high copy number D. either episomally or integrated at low copy number... Recombinant adeno virus can be created by deleting E1A/E 1B genes that are A. transcriptional regulators and are essential for viral replication B. not necessary for viral replication C. coding for virus coat protein D. important for packaging of viral DNA into viral head Retroviruses have advantage for being used as vector for animal cells because A. they cover a wide host range B. infection does not lead to cell death, infected cells produce virus over an indefinite period...

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How many chromatids are there in a duplicated chromosome? A. One B. Two C. Three D. Four The term homologous chromosomes A. refers to replications of the same chromosome B. is another name for sister chromatids C. must be haploid D. means a pair of chromosomes of the same kind, such as sex chromosomes At the center of the cell cycle control system is Cdk, a protein that A. is phosphorylated to become active B. binds to different cyclins C. is only active during mitosis D. manufactures growth factors Each chromosome contains two chromatids by the end of the __________ phase in the life cycle of a human cell.....

Demo

Which of the following is the normal cell cycle, primarily regulated at checkpoints? A. Metaphase in mitosis B. Anaphase, G1 boundary C. G1-S boundary D. S-G2 boundary The phase of mitosis which is associated with the formation of the nuclear envelope, is A. prophase B. metaphase C. anaphase D. telophase At the __________ checkpoint, cell growth is controlled. A. C B. G1 C. G2 D. S A nuclear envelope forms around each set of sister chromatids in A. anaphase B. metaphase....

Demo

Which of the following triggers the division of activated T lymphocytes? A. FGF B. Interlukin 2 C. PDGF D. Erythroprotein The term, not related to mitosis is A. gametes B. chromosomes C. DNA replication D. somatic cells... What structure forms as a network of protein cables during cell division? A. Spindle B. Aster C. Kinetochore D. Chromatid....

Demo

Which of the following from a blood clot stimulates the growth of cells in the healing process? A. EGF B. PDGF C. MPF D. NGF The spindle forms in the A. G1 phase B. G2 phase C. M phase D. S phase Which phase of mitosis is associated with chromosomes aligned at the center of the cell and centromeres divide? A. anaphase B. interphase C. metaphase D. prophase The event(s) which does not occur during interphase, is/are A. Chromatin condenses....

Demo

In an organism, the chromosome number is maintained constant because of A. independent assortment B. crossing over C. DNA duplication D. synapsis How many chromosomes are there in the budding yeast (S. cerevisiae)? A. 16 B. 17 C. 18 D. 20... Which of the following is correct when a character shows continuous variation assuming a normal distribution? A. It is governed by many genes with small cumulative effect B. It is not controlled genetically C. Many of the variation is due to fluctuation of climate D. None of the above....

Demo

The percentage of individual with a given genotype, which exhibits the associated phenotype, is defined as A. penetrance B. expressivity C. inheritance percent D. environmental influence Diethyl stilbestrol (DES), a synthetic estrogen causes A. chromosome lagging B. disruption of mitotic spindle C. centriole elongation D. all of the above.... Bar eye character of Drosophila is due to A. duplication in region of 16A of X chromosome B. deletion in region of 16A of X chromosome C. due to presence of additional X-chromosome D. due to a point mutation in eye-locus....

Demo

Which of the following/(s) can be used for the reduction of nitrate in waste water? A. Growth of Hypomicrobium in presence of added methanol B. Micrococcus denitrificans cells encapsulated in liquid membranes C. Both (a) and (b) D. Nitrosomonas europaen... Which of the following herbicide is known to be effective against perennial shrubs, annual weeds and weeds of rice? A. Cycloheximide B. Anisomycin C. Herbicidin D. Bialaphos.... Which of the following is selectively effective against dicot weeds? A. Cycloheximide B. Anisomycin C. Herbicidin A and B D. Bialaphos......

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