Prepare for NEET Biology Molecular Basis of Inheritance with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert explanations of DNA replication and genetics.
Which of the following is required as inducer(s) for the expression of Lac operon?
Glucose
Galactose
Lactose
Lactose and galactose
Which of the following is not required for any of the techniques of DNA fingerprinting available at present?
Polymerase chain reaction
Zinc finger analysis
Restriction enzymes
DNA – DNA hybridization
Which of the following is not required for any of the techniques of DNA fingerprinting available at present?
Polymerase chain reaction
Zinc finger analysis
Restriction enzymes
DNA – DNA hybridization
The final proof of DNA as the genetic material came from the experiment of
Hargobind Khorana
Griffith
Hershey and Chase
Avey, Mcleod and McCarty
During DNA replication, Okazaki fragments are used to enlongate
The lagging strand away from the replication fork
The leading strand towards replication fork
The lagging strand towards replication fork
The leading strand away from replication fork
Which of the following RNAs should be most abundant in animal cell?
mi-RNA
r-RNA
t-RNA
m-RNA
Which one of the following is not applicable to RNA?
Chargaff’s rule
Complementary base pairing
5’ phosphoryl and 3’ hydroxyl ends
Heterocyclic nitrogenous bases
Satellite DNA is important because it:
Codes for essential proteins
Plays a role in chromosome structure and function
Regulates gene expression directly
Is primarily found in euchromatin
