The one aspect which is not a salient feature of genetic code, is its being
degenerate
ambiguous
universal
specific
tRNA is attached to mRNA by its
1 loop
II loop
III loop
IV loop
What is antisense technology?
A cell displaying a foreign antigen used for synthesis of antigens
Production of somaclonal variants in tissue cultures
When a piece of RNA that is complementary in sequence is used to stop expression of a specific gene
RNA polymerase producing DNA
The nucleotide sequence of an anticodon is complementary to nucleotide sequence in
tRNA
mRNA
rRNA
DNA
In E.coli, which of the following classes of plasmids are found?
F-Factors
R-Factors
Col-Factors
all of these
Which one of the following does not follow the central dogma of molecular biology?
Pea
Mucor
Chlamydomonas
HIV
RNA polymerase stops its activity by
rho(ρ)factor
sigma (σ) factor
UAG
AUG
A codon is made up of
single nucleotide
two nucleotides
three nucletides
four nucleotides
Mutations are generally
recessive
polymorphic
lethal
dominant
The technique involving insertion of a desired gene into the DNA of plasmid vector is known as
Dressing
splicing
cloning
drafting
