EASY
NEET
IMPORTANT
Earn 100
The salient feature of are-
(i) It is made of two poly-nucleotide chains
(ii) Backbone is constituted by sugar and nitrogen base
(iii) Two chains have parallel polarity
(iv) Bases in two strands are paired through H-band
(v) The two chains are coiled in a left-handed fashion.
50% studentsanswered this correctly
Important Questions on Molecular Basis of Inheritance
HARD
NEET
IMPORTANT
Which is incorrect for genetic code?
(i) The codon is triplet.
(ii) codons code for amino acids.
(iii) Genetic code is unambiguous.
(iv) Genetic code is nearly universal.
(v) has a dual function.
HARD
NEET
IMPORTANT
Which of the following statement(s) is/are correct?
(i) tRNA has an anticodon loop that has bases complementary to the codon.
(ii) tRNA has an amino acid acceptor hand.
(iii) tRNA are specific for each amino acid.
(iv) For initiation, there is specific tRNA that is referred to as initiator tRNA.
(v) For termination there is specific tRNA that is referred to as terminator tRNA.
EASY
NEET
IMPORTANT
E. coli cells with a mutated z gene of the lac operon cannot grow in a medium containing only lactose as a source of energy because
EASY
NEET
IMPORTANT
Select the incorrect statement.
