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Jugar Froggy Jumps
1. Passive transport involves the movement of molecules across a membrane
A
down their concentration gradient, without the cell using energy
B
against their concentration gradient, without the cell using energy
C
down their concentration gradient, requiring the cell to use energy
2. Which of the following statements about osmosis are true?
A
Water moves from areas of high solute concentration to low solute concentration.
B
Water moves from regions of low water concentration to high water concentration
C
Water moves from areas of low solute concentration to high solute concentration.
3. In facilitated diffusion
A
protein carriers or channels are required.
B
Molecules move against concentration gradient.
C
Energy is required for movement of molecules.
4. Active transport differs from passive transport because
A
No ATP is required to move molecules.
B
membrane is not required to move molecules
C
ATP is required to move molecules.
5. The fluid component of the plasma membrane is made up of
A
a flexible layer of phospholipids in which proteins can move through
B
a rigid bilayer of phospholipids containing flexible cholesterol molecules
C
a lipid bilayer with proteins molecules creating a rigid mosaic