Phase-contrast microscopy depends on the refractive index of the region of specimen and generates image in which we see a pattern of 

TLS Online TPP Program

#Question id: 8923

#Unit 9. Diversity of Life Forms

Which of these genetic processes may be most helpful in accounting for the Cambrian explosion?

TLS Online TPP Program

#Question id: 532

#Unit 1. Molecules and their Interaction Relevant to Biology

In glycolysis, fructose 1,6-bisphosphate is converted to two products with a standard free-energy change (DG'°) of 23.8 kJ/mol.  Under what conditions (encountered in a normal cell) will the free-energy change (DG) be negative, enabling the reaction to proceed to the right?

TLS Online TPP Program

#Question id: 23840

#Unit 2. Cellular Organization

The length of the myosin II neck domain determines the

TLS Online TPP Program

#Question id: 3414

#Unit 11. Evolution and Behavior

The given below is the graphical representation of the changes in morphological features over a period of the geological time scale, where population A accumulates heritable morphological features and give rise to distinct species B. Population B splits in to a distinct species B1 and B2 Which of the following lineage represent the pattern of speciation by cladogenesis?

TLS Online TPP Program

#Question id: 26933

#Unit 10. Ecological Principles

If two species will show stable coexistence, referred to as