Question is ⇒ Diagnostic DNA probes have been developed for, Options are ⇒ (A) <i>Mycobacterium tuberculosis</i>, (B) Hepatitis B virus, (C) Human immunodeficiency virus, (D) all of the above, (E) , Leave your comments or Download question paper.

Question is ⇒ Diagnostic DNA probes have been developed for, Options are ⇒ (A) <i>Mycobacterium tuberculosis</i>, (B) Hepatitis B virus, (C) Human immunodeficiency virus, (D) all of the above, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Diagnostic DNA probes have been developed for
A.	Mycobacterium tuberculosis [Wrong Answer]
B.	Hepatitis B virus [Wrong Answer]
C.	Human immunodeficiency virus [Wrong Answer]
D.	all of the above [Correct Answer]
View Answer 1 -1 Explanation:- Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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⇒ Diagnostic DNA probes have been developed for
Mycobacterium tuberculosis
Hepatitis B virus
Human immunodeficiency virus
all of the above

⇒ A microarray differs from a gene fusion in that, it
carries DNA segments from many different genes
is not constructed by cloning
gives direct measurement of mRNA level
all of the above

⇒ The plasmid which makes the host more pathogenic is
F factors
Metabolic plasmid
Virulence plasmid
None of these

⇒ The type of recombination that commonly occurs between a pair of homologous DNA sequences is,
mutagenic recombination
site-specific recombination
replicative recombination
general recombination

⇒ Which of the following transport bacterial DNA to other bacteria via bacteriophages?
Conjugation
Transduction
Transformation
Translation

⇒ In the extracellular medium, DNA-degrading enzymes would likely be to prevent transfer of DNA by
conjugal transfer by a self-transmissible plasmid
generalized phage transduction
natural transformation
none of the above

⇒ Which of the following is the cause for drug resistance in tuberculosis?
Mutation
Transduction
Transformation
Conjugation

⇒ Which of the following statement(s) is/are true in regards to F⁺ x F^- mating events?
DNA is transferred from F^- to F⁺ cells
DNA is transferred from F⁺ to F^- cells
No DNA is transferred because F^- cells are unable to perform conjugation
No DNA is transferred because F⁺ cells are unable to perform conjugation

⇒ The transducing particles carry only specific portions of the bacterial genome in which of the following transduction?
Specialized transduction
General transduction
Abortive transduction
None of these

⇒ What is the term used for a segment of DNA with one or more genes in the centre and the two ends carrying inverted repeat sequences of nucleotides?
Plasmid
Transposon
Insertion sequence
None of these

⇒ The plasmids can be eliminated from a cell by the process known as
curing
breaking
fixing
expulsion

⇒ Which of the following type of recombination does not require homologous sequences and is important for the integration of viral genomes into bacterial chromosomes?
Mutagenic recombimation
Site-specific recombination
Replicative recombination
General recombination

⇒ Plasmid that carries genes encoding enzymes, which degrade substances such as aromatic compounds, pesticides or sugar are
F factors
metabolic plasmid
virulence plasmid
none of these

⇒ Which of the following statement describes plasmids?
Another name for a protoplast
A complex membrane structure that covers the chromosome of bacteria
Small, circular DNA molecules that can exist independently of chromosomes commonly found in bacteria
None of the above

⇒ Penicillin resistance in staphylococci is acquired due to
conjugation
mutation
transformation
transduction

⇒ The correct term for the transfer of genetic material between bacteria in direct physical contact is
conjugation
transformation
replication
transduction

⇒ Which of the following term describes the relationship between a virus and host where no new viral particles are produced and the viral genome is replicated along with host chromosome?
Lysogeny
Lysis
Transformation
Conjugation

⇒ Recombination of virus genomes occurs
by transduction
by transription
simultaneous infection of a host cell by two viruses with homologous chromosomes
by transformation

⇒ What is term used for a bacterial cell that is able to take up naked DNA?
Complementary
Liable
Competent
Infected

⇒ Which of the following genetic elements carry the genes required for integration into host chromosomes?
Replicon
Plasmids
Transposons
Tandons

⇒ When composite transposons are formed
a small deletion occurs in the transposase gene of an IS element
a small deletion occurs in the transposase gene of an IS element and plasmid is integrated
an IS element integrates with another IS element with the help of a plasmid
two IS elements integrate into a chromosome with only a small distance separating them

⇒ The plasmid-mediated properties is/are
fermentation of lactose
production of enterotoxin
resistance to antibiotics
all of these

⇒ The transposase gene encodes an enzyme that facilitate
viral replication within a genome
general recombination
site-specific integration of transposable elements
none of the above

⇒ Which type of plasmid can exist with or without being integrated into the host's chromosome?
Medisome
Lisosome
Lysogen
Episome

⇒ What information can be generated by interrupted mating experiments?
Levels of DNA homology
Bacterial genome maps
DNA nucleotide sequences
Proteomics of the bacteria

⇒ F factor plasmids play a major role in
conjugation
replication
transduction
trasnscription

⇒ In lysogeny,
a bacteriophage transfers bacterial DNA
bacteria take up double stranded DNA from the environment
DNA-degrading enzymes in the extracellular medium would stop the process
a bacteriophage genome is integrated into the bacterial genome

⇒ The main difference between a self-transmissible and a mobilizable plasmid is that the self-transmissible plasmid
transfers both strands of the plasmid DNA
carries genes encoding the mating apparatus
transfers antibiotic resistance genes
usually has a transposon inserted into it

⇒ Inverted repeat sequences at each end and a gene encoding transposase is contained in which of the following transposable element?
Composite transposon
Insertion element
Virus
Plasmid

⇒ The term used for acquisition of naked DNA from its environment and its incorporation in their genome by a bacterium is
transformation
lysogenic conversion
conjugation
transduction