Plant Structure and Function

The movement of substances across a cell membrane using energy.

A region of actively dividing cells at the tip of a stem that produces new growth.

An organism that makes its own food using sunlight or chemical energy.

A layer of dividing cells that produces new xylem and phloem in woody plants.

A rigid outer layer surrounding plant cells, made mainly of cellulose.

A strong carbohydrate that forms plant cell walls.

The green pigment that absorbs light energy for photosynthesis.

The organelle where photosynthesis takes place.

A thin, waxy waterproof layer that reduces water loss from the leaf.

The protective outer tissue covering the plant.