A protein present in the cell membrane that allows different types of substances to pass through the membrane.

• Transport protein

• Membrane protein

• Glycoprotein

• Active protein

The process of keeping the internal conditions in an organism stable

• Equilibrium

• Response to stimulus

• Homeostasis

• Osmosis

Tags

NGSS.HS-LS1-3

Dissolved particles

• Isotonic

• Solute

• Solvent

• Diffusion

Tags

NGSS.MS-PS1-2

Processes such as endocytosis and exocytosis that require some of the cell's energy

• Cellular transport

• Active transport

• Bulk transport

• Passive transport

The membrane that surrounds the contents of a cell and allows only certain things into and out of the cell

• Cell membrane

• Phospholipid bilayer

• Capsule

• Transport membrane

Tags

NGSS.MS-LS1-2

The movement of molecules from an area of high concentration to an area of lower concentration

• Osmosis

• Diffusion

• Active transport

• Cellular transport

Having a higher solute concentration outside of the cell and causing the cell to shrink

• Hypertonic

• Hypotonic

• Isotonic

Tags

NGSS.HS-LS1-3

A property of cell membranes that allows only certain things to cross but not others

• Selectively permeable

• Impermeable

• Endocytosis

• Exocytosis

The difference in the concentration of ions or other dissolved particles between two regions

• Concentration difference

• Equilibrium

• Dynamic equilibrium

• Concentration gradient

The diffusion of molecules across a membrane through special proteins in the membrane

• Simple diffusion

• Facilitated diffusion

• Protein diffusion

• Transport diffusion