Practice Questions

TLS Online TPP Program

#Question id: 19458

How phase contrast and DIC microscopy are used to image live cells and unstained tissues?

#13. Methods in Biology

Take advantage of differences in the contrast and thickness of cellular materials
Take advantage of differences in the refractive index and thickness of cellular materials
Live cells show bioluminiscence
Take advantage of differences in chromosomes

More Questions

#Question id: 11944

#7. System Physiology – Animal

The maximum clearance rate possible for a substance that is totally cleared from the plasma is equal to which of the following?

#Question id: 4126

#3. Fundamental Processes

Which one of the following is true about the genetic code?

#Question id: 24016

#Aptitude

#Question id: 11444

#10. Ecological Principles

Ecologist have proposed following explanation to lead maximize biodiversity at tropic.

A. Higher productivity in the tropics allows for more species present

B. Old communities have greater species than younger community

C. Natural enemies such as predators and parasite limit competition in the tropics, which allows more species to coexist

D. Very less intensity of disturbances in the tropics promote high succession diversity

#Question id: 419

#1. Molecules and their Interaction Relevant to Biology

Biological oxidation-reduction reactions never involve: