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Which of the following is the best defin...

Which of the following is the best definition of osmosis?

A

Movement of molecules from an area of their higher concentration to an area of their lower concentration

B

Movement of water across a semi-permeable membrane from an area of high water concentration to an area of lower water concentration

C

Movement of molecules from an area of their lower concentration to an area of their higher concentration

D

Movement of water across a semi-permeable membrane from an area of low water concentration to an area of higher water concentration

Text Solution

Verified by Experts

The correct Answer is:
B
Movement of water across a semi-permeable membrane from an area of high water concentration to an area of lower water concentration
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Knowledge Check

  • Which of the following is the best definition of diffusion?

    A
    Movement of molecules from an area of their higher concentration to an area of their lower concentration
    B
    Movement of water across a semi-permeable membrane from an area of high water concentration to an area of lower water concentration
    C
    Movement of molecules from an area of their lower concentration to an area of their higher concentration
    D
    Movement of water across a semipermeable membrane from an area of low water concentration to an area of higher water concentration

  • Which of the following is the best representation of the structure of the carboxylate ion ?

    A
    B
    C
    D
    None of these

  • Which of the following best defines an oncogene ?

    A
    An oncogene is a dominantly expressed mutation which gives a cell a growth or survival advantage.
    B
    An oncogene codes for a mutated form of a protein which forms part of a signal transduction pathway.
    C
    An oncogene coeds for a protein which prevents the cell from undergoing apoptosis.
    D
    An oncogene codes for a cell cycle control protein.

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