State whether the following statements are true or false. In DNA purines and pyrimidines are not present in equal amounts.

Indicate whether the following statements are true or false:

Examine whether the following statement are true or false {a} in {a,b,c}

Examine whether the following statement are true or false {a} sub {a,b,c}

State whether the following statement are true or false. A chromosome is mostly made of RNA

State whether the following statements are true or false A chromosome is mostly made up of RNA

Examine whether the following statement are true or false {a,b} cancelsub {b,c,a}

State whether the following statements are true or false. Operon concept was proposed by Jacob and Monod

State whether the following is true or false:If AsubB ,then AuuB=B .

State whether the following statements are true or false. If false rewrite them correctly. Mutations are mainly responsible for variations in organisms.

State whether the following statements are true or false First chromosome map was constructed by Sturtevant.