Related Questions
- Determine the correctness or otherwise of the following Assertion (a) and the Reason (r): Assertion: Isopropylthiogalactoside (IPTG) is a gratuitous inducer of lactose operon. Reason: Gratuitous inducers are chemical analogs which behave like natural inducers but they do not serve as substrate for the enzymes that are subsequently synthesized. Options: (A) both (a) and (r) are true and (r) is the correct reason for (a) (B) both (a) and (r) are true but (r) is not the correct reason for (a) (C) (a) is true but (r) is false (D) (a) is false but (r) is true
Sourav Pan - Determine the correctness or otherwise of the following Assertion (a) and the Reason (r): Assertion: In synchronous culture, majority of the cells move to next phase of the cell cycle simultaneously. Reason: Synchronous culture could be obtained by starving cells for essential nutrient components. Options: (A) both (a) and (r) are true and (r) is the correct reason for (a) (B) both (a) and (r) are true but (r) is not the correct reason for (a) (C) (a) is true but (r) is false (D) (a) is false but (r) is trueSourav Pan
- Which of the following characteristics with respect to bacterial DNA polymerase are TRUE? P. Initiation of chain synthesis Q. 5′-3′ polymerization R. 3′-5′ exonuclease activity S. 5′-3′ exonuclease activity Options: (A) P and Q only (B) Q and R only (C) Q and S only (D) P and S onlySourav Pan
- Maximum specific growth rate (Mmax) of a microorganism is calculated by taking the: (In=loge, X=biomass, t = time) Options: (A) slope of In X vs t of the growth cycle (B) slope of In X vs t during the exponential growth phase (C) slope of X vs t (D) slope of X vs t during the exponential phase of growthSourav Pan
- Identify the CORRECT statements: P. 5′ and 3′ ends of the transcripts can be mapped by utilizing polymerase chain reaction Q. S1 nuclease can cleave the DNA strand of a DNA-RNA hybrid R. T4 polynucleotide kinase is used for labeling 3′ end of DNA S. Baculovirus (Autographa californica) can be used as an insect expression vector Options: (A) P and Q only (B) R and S only (C) P and S only (D) Q and R onlySourav Pan
