AP Biology: Photosynthesis Vocabulary

Organisms that produce their own food.

Plants, Algae, bacteria.

• Heterotrophs

• Autotrophs

• Photosynthesis

• Cellular respiration

Organisms consume other organisms.

Animals, Fungi, bacteria.

• Heterotrophs

• ATP

• Photosystems

• Autotrophs

Biological process that converts sunlight into

usable chemical energy.

• Photosystems

• Photosynthesis

• Photorespiration

• Cellular Respiration

Openings on the underside of plants. Allows

for gas exchange to occur.

• Stroma

• Thylakoid

• Chlorophyll

• Stomata

Double membrane organelle where

photosynthesis occurs. Appears green in

color. Many in one plant cell.

• Mitochondria

• Cytoplasm

• Chloroplast

• Nucleus

Single photosynthetic disc found inside

chloroplast. Membrane bound.

• Stroma

• Thylakoid

• Chlorophyll

• Stomata

Stack of thylakoids. Found within chloroplast.

• Stroma

• Thylakoid

• Granum

• Stomata

Liquid inside of chloroplast, outside of

thylakoid.

• Stroma

• Thylakoid

• Lumen

• Stomata

Liquid found inside of thylakoids. Location of

high hydrogen ion concentration.

• Stroma

• Thylakoid

• Lumen

• Stomata

Group of pigments and electron acceptor

molecules within a thylakoid membrane.

• Photosystem

• Pigment

• Chlorophyll

• Photosynthesis