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

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Important Questions on Mineral Nutrition

MEDIUM
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
In active transport, carrier proteins are sensitive to inhibitors that react with:
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Active transport as well as facilitated diffusion both
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Active absorption needs _____ in the form of ATP.
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements

Observe the given diagram and choose the correct option with respect to transport of molecules.

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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Facilitated diffusion resembles simple diffusion in
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements

Consider the following statements with reference to facilitated transport and choose the correct option:

A. Requires ATP energy
B. Transport saturates
C. Highly selective
D. Requires special membrane properties
E. Uphill transport

EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Water channels are made up of how many different types of aquaporins?
HARD
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
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
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Faciliated diffusion resembles simple diffusion in
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
When two types of molecules cross the cell membrạne by the carrier protein in the same direction then it is called _____.
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements

Which of the following transports are represented by the given diagram?

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MEDIUM
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
What do A, B, C, and D represent in the following figure?

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EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Factor that affect the diffusion is.
MEDIUM
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Porins form _A_ pores in outer membranes of plastids and _B_, which allow molecules up to the size of _C_ proteins to pass through. Identify A, B and C in this sentence and click on the correct option.
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
When two types of molecules move in opposite direction with each other then it is called _____.
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Assume that an actively respiring cell has 3x number of K+ in its cytoplasm and 2x number of K+ entered into the cell. What is the process by which K+ transport has taken place?
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
The porins are_____that form huge pores in the outer membranes of the plastids.
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Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
When a molecule moves across a cell membrane independent of other molecule then it is called us _____.
HARD
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
The _____ theory was proposed by Vanden Honert.
EASY
Biology>Plant Physiology>Mineral Nutrition>Absorption and Translocation of Elements
Glucose is taken back from glomerular filtrate through