Cell to Cell Transport

IMPORTANT

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

EASY
IMPORTANT

Factor that affect the diffusion is.

MEDIUM
IMPORTANT

Does membrane permeability affect the rate of diffusion?

MEDIUM
IMPORTANT

What are the factors that affect diffusion?

EASY
IMPORTANT

What is carrier concept in plants physiology?

EASY
IMPORTANT

What is carrier concept theory?

EASY
IMPORTANT

Who proposed carrier theory?

HARD
IMPORTANT

According to carrier concept theory the plasma membrane is permeable to free ions.

HARD
IMPORTANT

The _____ theory was proposed by Vanden Honert.

HARD
IMPORTANT

Explain the carrier concept theory.

EASY
IMPORTANT

Viscosity is inversely proportional to diffusion.

MEDIUM
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The velocity of the diffusion depends on the size of the substance.

MEDIUM
IMPORTANT

List out the factors that affect diffusion.

HARD
IMPORTANT

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_____.

EASY
IMPORTANT

The porins are_____that form huge pores in the outer membranes of the plastids.

EASY
IMPORTANT

Porins are the lipid molecules that form large pores in the outer membranes of plastids, mitochondria and some bacteria.

EASY
IMPORTANT

Which of the following processes involves energy?

MEDIUM
IMPORTANT

Characteristic of ion channels is/are _______.

MEDIUM
IMPORTANT

What do A, B, C and D represent in the following figure?

Question Image

EASY
IMPORTANT

Why bacteria cannot survive in a highly salted pickle?

MEDIUM
IMPORTANT

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.