MOLECULAR BASIS OF INHERITANCE

THE EQUIVALENT OF STRUCTURAL GENE IS

• MUTON

• CISTRON

• OPERON

• RECON

During DNA replication, Okazaki fragments are used to elongate

• the lagging strand towards replication fork

• the leading strand away from replication fork

• the lagging strand away from the replication fork

• he leading strand towards replication fork.

The nitrogenous base is linked to the sugar by_____________bond

Who proposed the semiconservative nature of DNA

• Fredrick griffith

• Francis crick

• Darwin

• Meselson and stahl

What is the function of tRNA

• To synthesize protein

• To help in replication

• a binding site for RNA polymerase

• To carry amino acids to ribosome

What is the full form of VNTR

• Variable nucleus transfer repeat

• valuable of number technology repeat

• Variable number tandem repeats

• none of the above

The enzyme that restores the phosphodiester linkage between adjacent fragments in the lagging strand during DNA replication is

• DNA ligase

• primase

• reverse transcriptase

• helicase

Which of the following types of bacteria were used in Griffith’s transformation experiment?

• Diplococcus, R-III and S-II type

• Pneumococcus, T₂ phage

• Streptococcus, R-II and S-III type

• Diplococcus, E. coli

The Hershey-Chase experiment

• Proved semiconservative replication is the mode for DNA replication

• used ³²P to label protein

• used ³⁵S to label DNA

• helped to prove DNA was the genetic molecule

Which of the following is required as inducer for the expression of lac operon?

• Lactose

• Galactose and Lactose

• Glucose

• Galactose