The most interesting molecule in the living system is
(1) the most abundant genetic material
(2)the genetic material in most of the organisms
(3)the long polymer of deoxyribonucleotides
(4)all of the above
Which one is the characteristic of an organism?
(1)number of nucleotides
(2)sequence of nucleotides
(3)dimension of nucleotides
(4)all of the above
Which organism has more base pairs ?
1. E.coli
2. Bacteriophage
3. human
4. Yeast
How many types of nitrogenous bases are present in nucleic acid
(1) 4
(2) 3
(3) 5
(4) 6
Distance between two consecutive nucleotide pairs of DNA is
(1)0.34nm
(2)34angstrom
(3)3.4 micrometre
(4)34nm
In rRNA, thymine pairs with
(1)adenine
(2)uracil
(3)both 1 and 2
(4)None of these
Which one of the following nucleotide sequences contains only 4 pyrimidine bases?
(1)UAGCGGUAA
(2)TGCCTAACG
(3)GATCAATGC
(4)GCUAGACAA
Regulation of gene expression in eukaryotes cannot take place at
(1)primary transcript level
(2)splicing level
(3)transport of m-RNA from nucleus to cytoplasm
(4)replication level
The conditions which regulate the expression of genes are
(1)Environmental
(2)Physiological
(3)Metabolic
(4)All of the above
The development and differentiation of embryo into adult organisms are result of
(1)chemical regulation of expression of several sets of genes
(2)Electrical and Chemical regulation of expression of several sets of genes
(3)coordinated regulation of expression of several sets of genes
(4)All of above