Introduction of Molecular Basis of Inheritance

Identify the CORRECT statements from the following.

1. DNA acts as genetic material in most organisms.
2. RNA acts as genetic material in some viruses.
3. DNA acts as an adapter, structural and catalytic molecule in most biochemical reactions.
4. Nucleic acids are of two types i.e. DNA and RNA.

Explain the mechanism of action of T cells to antigens.

Answer the following question based on Meselson and Stahl's experiment on E. coli :

Why did they allow the synthesis of the light and the heavy DNA molecules in the organism?

An individual exhibiting both male and female sexual characteristics in the body is known as ______.

Answer the following question based on Meselson and Stahl's experiment on E. coli :

How did they distinguish the heavy DNA molecules from the light DNA molecules? Explain.

Answer the following question based on Meselson and Stahl's experiment on E. coli :

Write the conclusion the scientists arrived at, at the end of the experiment.

Answer the following question: 

What is a Recon?

Name the scientist who has contributed to the following: Reverse transcription