A pure culture in exponential growth phase has a bacterial concentration of 6.4 x 10^8 cells/ml. If the bacterium has a generation time of 1 h, how long ago was the cell concentration 8.0 x 10^7 cells/ml?

TLS Online TPP Program

#Question id: 5535

#XL - T Zoology

What type of animal forms a trophoblast for the duration of its early development?

TLS Online TPP Program

#Question id: 13203

#XL - R Botany

Intermediary cells are specialized companion cells that are involved in phloem loading in the plant. Which of the following pathway that have included the intermediary-type companion cells?

TLS Online TPP Program

#Question id: 4754

#XL - R Botany

Allele A is epistatic to allele B. Which of the following statement are incorrect?

TLS Online TPP Program

#Question id: 411

#XL - S Microbiology

The reaction ATP -> ADP + Pi is an example of a reaction.

TLS Online TPP Program

#Question id: 3779

#XL - Q Biochemistry

In a healthy eukaryotic cell, the rate of DNA repair is typically equal to the rate of DNA mutation. When the rate of repair lags behind the rate of mutation, what is a possible fate of the cell?