Q. In DNA , the two chains of double head to tail arrangement is called : (a) Anti - parallelism (b) Semi - conservation (c) Auto - conservation (d) Alternation…
Q. Which one of the following hydrolyses internal phosphodiester bonds in a polynucleotide chain? (a) Lipase (b) Protease (c) Exonuclease (d) Endonuclease Solution : Correct option : C Endonucleases hydrolyse…
Q. Pick out the correct statements : (a) Haemophilia is a sex-linked recessive character. (b) Down's syndrome is due to aneuploidy. (c) Phenylketonuria is an autosomal recessive gene disorder. (d)…
Q. A true breeding plant is : (a) Near homozygous and produces offspring of its own kind. (b) Always homozygous recessive in its genetic constitution. (c) One that is able…