Match the following genes of the Lac operon with their respective products.

Select the correct option.

$(a)\quad (b)\quad  (c)\quad  (d)$

Which organism was used by Beadle and Tatum to proposed one gene-one enzyme hypothesis

The somatic chromosome complement in all human being is

$A$: Kornberg enzyme is associated with the removal of primers and thyminedimer.

$R$: $DNA$ polymersase I does exonuclease activity in $5^{\prime} \rightarrow 3^{\prime}$ and $3^{\prime} \rightarrow 5^{\prime}$ directions.

Which one of the following hydrolyses internal phosphodiester, bonds in a polynucletide chain