Biology : Molecular Basis of Inheritance

Which one of the following a wrongly matched?

• Transcription - Writing information from DNA to t-RNA

• Translation - Using information in m - RNA to make protein

• Repressor protein - Binds to operator to stop enzyme synthesis

• Repressor protein - Binds to operator to stop enzyme synthesis

Transformation was discovered by 

• Meselson and Stahi

• Hershey and Chase

• Griffith

• Griffith

The first human hormone produced by recombinant DNA technology is 

• insulin

• estrogen

• thyroxin

• thyroxin

An analysis of chromosomal DNA using the Southern hybridization technique does not use

• electrophoresis

• blotting

• autoradiography

• autoradiography

Removal of RNA polymerase -III from nucleoplasm will affect the synthesis of

• tRNA

• rRNA

• mRNA

• mRNA

PCR and Restriction Fragment Length Polymorphism are the methods for

• Study of enzymes

• Genetic transformation

• DNA sequencing

• DNA sequencing

Which one of the following is not a part of a transcription unit in DNA?

• The inducer

• A terminator

• A promoter

• A promoter

A single strand of nucleic acid tagged with a radioactive molecule is called

• vector

• selectable marker

• plasmid

• plasmid

Ribosomal RNA is actively synthesised in 

• lysosomes

• nucleolus

• nucleoplasm

• nucleoplasm

• It is used to ligate introduced DNA in recipient cells

• It serves as a selectable marker

• It is isolated from a virus

• It is isolated from a virus