Cell to Cell Transport
Cell to Cell Transport: Overview
This topic covers concepts such as Facilitated Diffusion, Uniport Diffusion, Antiport Diffusion, Symport Diffusion, Porins, Factors Affecting Diffusion, Active Transport, and Carrier Concept.
Important Questions on Cell to Cell Transport
Factor that affect the diffusion is.
Does membrane permeability affect the rate of diffusion?
What are the factors that affect diffusion?
What is carrier concept in plants physiology?
What is carrier concept theory?
Who proposed carrier theory?
According to carrier concept theory the plasma membrane is permeable to free ions.
The _____ theory was proposed by Vanden Honert.
Explain the carrier concept theory.
Viscosity is inversely proportional to diffusion.
The velocity of the diffusion depends on the size of the substance.
List out the factors that affect diffusion.
Osmosis is a special kind of diffusion, in which water diffuses across the cell membrane. The rate and direction of osmosis depend upon both pressure gradient and_____.
The porins are_____that form huge pores in the outer membranes of the plastids.
Porins are the lipid molecules that form large pores in the outer membranes of plastids, mitochondria and some bacteria.
Which of the following processes involves energy?
Characteristic of ion channels is/are _______.
What do and represent in the following figure?
Why bacteria cannot survive in a highly salted pickle?
Which of the following properties hold true for facilitated diffusion?
a. Highly selective nature.
b. ATP requirement.
c. Uphill transport.
d. Transport saturation.
e. Requirement of special membrane protein.
