An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called helicase transposase reverse transcriptase restriction endonuclease TRUE ANSWER : ? YOUR ANSWER : ?
30 nm wide helix with five or six nucleosomes per helix is known as kinoplast solenoid none of these halonoid TRUE ANSWER : ? YOUR ANSWER : ?
The size of a linear DNA fragment in a gel can be estimated by the time it takes the gel to run the sedimentation coefficient comparison with a molecular weight standard such as Hind III digested phage lambda fluorescence in UV light TRUE ANSWER : ? YOUR ANSWER : ?
What is the main damaging effect of UV radiation on DNA? Formation of thymine dimers Dehydration Single strand break Depurination TRUE ANSWER : ? YOUR ANSWER : ?
The overall conclusion of the Hershey-Chase experiment was that DNA was responsible for heredity phage DNA was similar to bacterial DNA the ratio of Adenine to thymine was always the same proteins and DNA were responsible for heredity TRUE ANSWER : ? YOUR ANSWER : ?
Number of times the two DNA strands are interwined in circular DNA and is known as linking number none of these helix frequency twisting number TRUE ANSWER : ? YOUR ANSWER : ?
What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence? B S None of these H TRUE ANSWER : ? YOUR ANSWER : ?
DNA can be sequenced by the chain termination procedure chemical method physical method both (a) and (b) TRUE ANSWER : ? YOUR ANSWER : ?
Which is the largest among the followings? Nucleotide Carbon Nitrogenous base Phosphate TRUE ANSWER : ? YOUR ANSWER : ?
What is the approximate percentage of repetitive DNA sequences in human DNA? 30 to 40% 40 to 50% 10 to 20% 20 to 30% TRUE ANSWER : ? YOUR ANSWER : ?