Life Science Chapter 2 Vocabulary Sections 7-13

The condition in which the concentrations of solutes in 2 solutions is equal and cancel each other out is called (a)  

• equilibrium
• osmosis
• diffusion
• saturation

A protein in a cell membrane that helps molecules pass through the membrane, by either forming a channel for the molecules or carrying the molecules through the membrane is called a (a)  

• transport protein
• active protein
• receptor protein
• enzyme

Tags

NGSS.MS-LS1-2

The number of particles of a substance in a given volume is called (a)  

• concentration
• density
• mass
• volume

A difference in the level of concentration of a particular substance on each side of a cell membrane. When this exists, the substances will flow passively from the area of higher concentration to lower concentration is called a (a)   .

• concentration gradient
• osmotic pressure
• active transport
• equilibrium

The natural movement of a substance from an area of higher to lower concentration without the need for added energy is called (a)   .

• diffusion
• osmosis
• active transport
• facilitated diffusion

Passive transport of a substance through a membrane WITHOUT the help of transport proteins is called (a)  

• simple diffusion
• active transport
• facilitated diffusion
• osmosis

A solution that has more solute in it than the concentration of solute on the other side of the cell membrane is called a (a)  

• hypertonic solution
• hypotonic solution
• isotonic solution
• saturated solution

A solution which has equal concentrations of solute on both sides of the membrane is called an (a)  

• isotonic solution
• hypertonic solution
• hypotonic solution
• saturated solution

A solution that has less solute in it than the concentration of solute on the other side of the cell membrane is called a (a)  

• hypotonic solution
• hypertonic solution
• isotonic solution
• saturated solution

The process of diffusion of water is called (a)  

• osmosis
• diffusion
• filtration
• absorption