Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 49376
TLS Online TPP Program

#Question id: 2148

The specificity of the potassium channel for K+ over Na+ is mainly the result of the:

#SCPH28 | Zoology

  1. differential interaction with the selectivity filter protein.

  2. hydrophobicity of the channel.

  3. phospholipid composition of the channel.

  4. presence of carbohydrates in the channel.

More Questions
TLS Online TPP Program

#Question id: 15879

#SCPH05 I 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: 1301

#SCPH05 I Biotechnology

The cell walls of bacteria, fungi, and plant cells, and the extracellular matrix of animal cells are all external to the plasma membrane. Which of the following characteristics are common to all of these extracellular structures?
TLS Online TPP Program

#Question id: 11985

#SCPH28 | Zoology

In  the  territorial  behavior  of  the  stickleback  fish,  the  red  belly  of  one  male  elicits  attack  from  another  male  by functioning as
TLS Online TPP Program

#Question id: 1548

#SCPH28 | Zoology

B-cell survival in the follicle is dependent on?
TLS Online TPP Program

#Question id: 1566

#SCPH06 I Botany

Histamines trigger dilation of nearby blood vessels, and increase in their permeability. Which of the signs of inflammation are therefore associated with histamine release?