Biology Unit 4 Vocab Quiz #2 Practice

Front

Carotenoid

Back

Red, orange, or yellow pigments that help in photosynthesis.

Front

Photosystem

Back

Group of pigments and proteins in chloroplasts that capture light energy.

Front

Primary Electron Acceptor

Back

Molecule in chloroplasts that accepts high-energy electrons.

Front

Electron Transport Chain

Back

Series of molecules found in the mitochondria and chloroplasts that move electrons to make energy.

Front

Calvin Cycle

Back

Part of photosynthesis where CO₂ is turned into glucose using ATP energy.

Front

Carbon Fixation

Back

Process of converting CO₂ into organic compounds, like in photosynthesis.

Front

Stomata

Back

Tiny openings on leaves that let CO₂ in and O₂ out.

Front

CAM Pathway

Back

CAM (Crassulacean Acid Metabolism). An adaptation some plants use to store CO₂ at night for daytime photosynthesis.

Front

Cellular Respiration

Back

Process where cells break down food (carbon compounds) to make energy or ATP.

Front

Pyruvic Acid

Back

A 3-carbon molecule formed during glycolysis, important in cellular respiration.