Final Honors Biology Energy Unit Review

Front

What is the trigger that causes leaves to start to change color and fall off the trees?

Back

Change in length of day and night.

Front

What is the final electron acceptor in the electron transport chain?

Back

Oxygen.

Front

What is the ultimate ORIGINAL source of energy for living things?

Back

Sun.

Front

The organelle responsible for photosynthesis is ___________

Back

Chloroplast.

Front

What are electron carrier molecules?

Back

Molecules that transfer high energy electrons to other molecules.

Front

What process do plants use to convert sunlight into chemical energy?

Back

Photosynthesis.

Front

What is the main pigment involved in photosynthesis?

Back

Chlorophyll.

Front

What is the equation for photosynthesis?

Back

6CO₂ + 6H₂O + light energy → C₆H₁₂O₆ + 6O₂.

Front

What is cellular respiration?

Back

The process by which cells convert glucose and oxygen into energy, carbon dioxide, and water.

Front

What are the two main stages of cellular respiration?

Back

Glycolysis and the Krebs cycle.