Cell Processes Vocabulary

Front

Homeostasis

Back

Maintenance of a constant internal state

Homo- means same

Front

Semipermeable membrane

Back

Allow only certain particles to cross

Front

Passive Transport

Back

Movement of particles across a cell membrane without the use of energy.

Front

Diffusion

Back

Movement of molecules from high concentration to low concentration

Front

Osmosis

Back

The diffusion of water through a semi-permeable membrane

Front

Active Transport

Back

The movement of particles that requires the cell to use energy.

Front

Endocytosis

Back

Process by which a cell uses energy to bring a particle into the cell

EN-IN: INTO the cell

Front

Exocytosis

Back

Process by which particles are released from a cell using energy.

EX-EXIT

Front

Producers

Back

Can make their own food using energy from the sun

*Producers produce energy

Front

Consumers

Back

Must eat other living things to get their food.

*Consumers consume food.