How many of the given statements $(i-iv)$ is/are correct?
$i.$ In transcription, adenosine pairs with uracil.
$ii.$ Regulation of lac operon by repressor is referred to as positive regulation.
$iii.$ The human genome has approximately $50,000\; genes.$
$iv. $ Haemophilia is a sex-linked recessive disease.
Two
Three
Four
One
Jacob and Monad studied lactose metabolism in E. coli and proposed operon concept, which is applicable for
All of the following are part of an operon except
$A$ : Lac operon exerts negative control only.
$R$ : The operator is occupied by aporepressor during regulation
The lac operon consists of
Definitions/Explanation : Splicing & Operator gene