Control and Co-ordination — BIOLOGY STD 12 Science — Question

Name the different structural genes in sequence of lac operon.

When and at what end does the tailing' of hnRNA take place?

Which plant tissues are involved in transport of water, minerals and food?

Name the following: Name the organisms whose genomes have been sequenced?

Why is it not possible for an alien DNA to become part of a chromosome anywhere along its length and replicate normally?

A garden pea plant (A) Produced inflated yellow pod, and another plant (B) of the same species produced constricted green pods. Identify the dominant traits.

What is gravitational water?

Mark the odd one in the following group.
Har Gobind Khorana, Marshal Nirenberg, Severo Ochoa, Alec Jeffreys.

Name the Following : Algae used for the production of SCR

Name the enzyme that helps to join DNA fragments.