A bag contains 2 white and 3 black balls. A ball is drawn 5 times, each being replaced before another is drawn. Find the probability that exactly 4 of the balls drawn are white.

TLS Online TPP Program

#Question id: 27283

#Section 5: Bioprocess Engineering and Process Biotechnology

Exponentially growing cells increase 10 fold in 10 hours, the time required to increase 5 fold will  be…….………hours.

TLS Online TPP Program

#Question id: 12993

#Section 2: General Biology

Out of these which of the following is true regarding the propensity of α-helix.

a. any amino acid which can take up desirable ϕ and ψ angle close to -57 and -47 will favour the formation of a α-helix

b. amino acid such a proline and glycine have lowest propensity will favour formation of α-helix.

c. if the resultant change in the value ΔΔG0 is positive then it will favour the formation of α-helix.

d. if the resultant change in the value ΔΔG0 is zero or close to zero then it will favour the formation of α-helix.

TLS Online TPP Program

#Question id: 2014

#Section 2: General Biology

Some pathogens can undergo rapid changes resulting in antigenic variation. Which of the following is such a pathogen?

TLS Online TPP Program

#Question id: 3615

#Section 3: Genetics, Cellular and Molecular Biology

What are alleles?

TLS Online TPP Program

#Question id: 4021

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Reporter genes employ fragments of DNA encoding proteins that when translated do not have any obvious effects in the cells and tissues. Which one of the following is NOT a reporter protein?