NC EOC Review: Homeostasis & Cell Transport

Front

Positive feedback

Back

Is your body's effort to amplify or increase a stimulus.

Front

Osmosis

Back

The diffusion of water across a membrane.

Front

Homeostasis

Back

A state of stability or equilibrium.

Front

pH buffer

Back

Substances produced by the cell to resist changes in pH.

Front

Cell transport

Back

The movement of materials in and out of cells.

Front

Negative feedback

Back

Is your body's effort to counteract or lessen a stimulus.

Front

Diffusion

Back

The movement of particles from an area of higher concentration to an area of lower concentration.

Front

Equilibrium

Back

A state where the concentrations of substances are equal on both sides of a membrane.

Front

Semi-permeable membrane

Back

A membrane that allows certain molecules to pass through while blocking others.

Front

Active transport

Back

The movement of substances against their concentration gradient, requiring energy.