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Home⇒ Medical Science⇒ Biotechnology⇒ Cloning vectors
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q21 ⇒ Plasmids which are maintained as limited number of copies per cell are known as stringent plasmids [other wrong options] [Discuss in forum] relaxed plasmids cryptic plasmids all of these |
Q22 ⇒ Difference between λ gt 10 and λ gt 11 vectors is that λ gt 11 is an expression vector [other wrong options] [Discuss in forum] λ gt 10 is an expression vector λ gt 10 is a replacement vector λ gt 11 is a replacement vector |
Q23 ⇒ Charon vectors are different from EMBL vectors because both (a) and (b) [other wrong options] [Discuss in forum] they have more extensive range of restriction targets with in their polylinkers. physical separation of lambda arm from central fragment is required physical separation of lambda arm from central fragment is not required |
Q24 ⇒ Charon 34 and Charon 35 are the examples of phage vector [other wrong options] [Discuss in forum] plasmid vector cosmid vector phagemid vector |
Q25 ⇒ Which of the following is not true about phagemid? Can only be propagated as phage [other wrong options] [Discuss in forum] Contain functional origin of replication of the plasmid and λ phage May be propagated as a plasmid or as phage in appropriate strain Contain λ att site |
Q26 ⇒ Plasmid incompatibility is inability of two different plasmids to coexist in the same host cell in the absence of selection pressure. [other wrong options] [Discuss in forum] inability of a plasmid to grow in the host both (a) and (b) none of the above |
Q27 ⇒ Inserted DNA in λ gt 11 can be expressed as β-galactosidase fused protein [other wrong options] [Discuss in forum] free protein in the cytoplasm free protein that is secreted out all of the above |
Q28 ⇒ Plasmids which are maintained as multiple copy number per cell are known as relaxed plasmids [other wrong options] [Discuss in forum] stringent plasmids cryptic plasmids none of these |
Q29 ⇒ Stuffer is central fragment of the vector DNA [other wrong options] [Discuss in forum] the right arm of the vector DNA the left arm of the vector DNA none of the above |
Q30 ⇒ Phagemid vectors are combination of plasmid and phage λ [other wrong options] [Discuss in forum] combination of phages and cosmid phages carrying properties of plasmids all of the above |
Q31 ⇒ Phagemid consist of plasmid vector carrying λ attachment (λ att) site [other wrong options] [Discuss in forum] plasmid vector carrying λ phage's cos site plasmid vector carrying origin of replication of λ phage only plasmid vector carrying origin of replication of plasmid only |
Or |