T-cell surface receptors for antigen partly recognize:

TLS Online TPP Program

#Question id: 12435

#Unit 10. Ecological Principles

A diagram of a food web, for the following questions. (Arrows represent energy flow and letters represent species.)

In general, the total biomass in a terrestrial ecosystem will be greatest for which trophic level? 

TLS Online TPP Program

#Question id: 12041

#Unit 7. System Physiology – Animal

Which of the following is not normally found in abundance in the portal blood?

TLS Online TPP Program

#Question id: 9597

#Unit 6. System Physiology – Plant

The reaction centre bacteriochlorophyll from purple photosynthetic bacteria was similarly identified as-

TLS Online TPP Program

#Question id: 12644

#Unit 6. System Physiology – Plant

Which of the following plant hormone is synthesized from the lipids?

TLS Online TPP Program

#Question id: 3006

#Unit 2. Cellular Organization

A bacterial population increases from 10³ cells to 10⁹ cells in 10 h. Calculate the number of generation time in minute.