Which one of the following combinations Mac-Conkey Agar allows to growth of gram negative bacteria?

(P) Bile salts                          (Q) Sodium chloride

(R) Methylene blue                  (S) Crystal violet

TLS Online TPP Program

#Question id: 3282

#Section 3: Genetics, Cellular and Molecular Biology

Natural selection results in different forms of plants which can survive in contaminated or uncontaminated soil. Type of natural selection is

TLS Online TPP Program

#Question id: 15879

#Section 6: Plant, Animal and Microbial Biotechnology

During which Phase lasts about 3-4 cell generations (the time taken for doubling of cell number), and the duration of a cell generation may vary from 22-48 hr, depending mainly on the plant species?

TLS Online TPP Program

#Question id: 18637

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

The number of rooted trees (NR) for n taxa is ______

TLS Online TPP Program

#Question id: 3714

#Section 3: Genetics, Cellular and Molecular Biology

Which DNA polymerase is most responsible for chain elongation in E. coli?

TLS Online TPP Program

#Question id: 3697

#Section 3: Genetics, Cellular and Molecular Biology

In the Meselson-Stahl DNA replication experiment, what percent of the DNA was composed of one light strand and one heavy strand after one generation of growth in 14N containing growth media?