List of top Biology Questions on Molecular Basis of Inheritance

Stability, as one of the properties of genetic material, was very evident in one of the very early experiments in genetics. Name the scientist and describe his experiment. State the conclusion he arrived at.

Assertion (A): In molecular diagnosis, single stranded DNA or RNA tagged with radioactive molecule is called a probe.
Reason (R): A probe always searches and hybridises with its complementary DNA in a clone of cells.

Explain the charging of an adaptor molecule. Why does this molecule need to be charged?

Mention the two events of Plasmodium life cycle that occur within the female Anopheles body.

If Adenine makes 30% of the DNA molecule, what will be the percentage of Thymine, Guanine and Cytosine in it ?

DNA fingerprinting involves identifying differences in some specific regions in DNA sequence, called as

What is the role of RNA polymerase III in the process of transcription in eukaryotes

Which of the following features of genetic code does allow bacteria to produce human insulin by recombinant DNA technology?

Expressed Sequence Tags (ESTs) refers to:

In the lac operon model, lactose molecules function as

Which of the following RNAs should be most abundant in animal cell?

Transformation was discovered by

One gene-one enzyme hypothesis was postulated by:

Which antibiotic inhibits interaction between t-RNA and m-RNA during bacterial protein synthesis ?

During transcription holoenzyme RNA polymerase binds to a DNA sequence and the DNA assumes a saddle like structure at that point. What is that sequence called?

Which one of the following makes use of RNA as a template to synthesize DNA ?

Production of a human protein in bacteria by genetic engineering is possible because :

Protein synthesis in an animal cell occurs :

E.coli cells with a mutated Z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because :

Restriction endonucleases

Viruses that infect bacteria, multiply and cause their lysis are called 

During transcription, if the nucleotide sequence of the DNA strand that is being coded is ATACG, then the nucleotide sequence in the mRNA would be

The most thoroughly studied of the known bacteria-plant interactions is the

During transcription, the DNA site at which RNA polymerase binds is called: