Chapter 2 (Part 2) Vocabulary Quiz

The tendency of molecules to move from an area of high concentration to an area of low concentration until the concentration is uniform.

• Diffusion
• Homeostasis
• Selectively Permeable
• Hydrophobic
• Hydrophilic

Process of maintaining a stable internal environment in a cell or an entire organism.

• Homeostasis
• Diffusion
• Selectively Permeable
• Hydrophobic
• Hydrophilic

The ability to allow only certain molecules or ions to cross the plasma membrane; semipermeable.

• Selectively Permeable
• Diffusion
• Homeostasis
• Hydrophobic
• Hydrophilic

Water-fearing

• Hydrophobic
• Diffusion
• Homeostasis
• Selectively Permeable
• Hydrophilic

Water-loving

• Hydrophilic
• Diffusion
• Homeostasis
• Selectively Permeable
• Hydrophobic

The difference in the concentrations of molecules across a membrane.

• Concentration Gradient
• Diffusion
• Homeostasis
• Selectively Permeable
• Hydrophobic

Equal concentration of molecules on both sides of the membrane.

• Equilibrium
• Diffusion
• Homeostasis
• Selectively Permeable
• Hydrophobic

Movement of substances across a plasma membrane that does not require energy because the substance is moving from a higher to lower concentration.

• Passive Transport
• Diffusion
• Homeostasis
• Selectively Permeable
• Hydrophobic

Diffusion of water molecules across a membrane.

• Osmosis
• Diffusion
• Homeostasis
• Selectively Permeable
• Hydrophobic

Substance being dissolved.

• Solute
• Diffusion
• Homeostasis
• Selectively Permeable
• Hydrophobic