During the light-dependent reactions of photosynthesis, what are the two energy-

ID: 148541 • Letter: D

Question

During the light-dependent reactions of photosynthesis, what are the two energy-carrier molecules that absorb the energy from sunlight?

A. ADP and ATP

B. NADPH and water

C. ATP and water

D. ATP and NADPH

E. ADP and NADPH

What is the cause of the electrochemical gradient in the thylakoid space?

A. a loss of oxygen through the stomata causing a shortage in the mesophyll cells

B. a loss of carbon dioxide through the stomata causing a shortage in the mesophyll cells

C. a buildup of glucose causing a difference in the charge across the thylakoid membrane

D. a buildup of hydrogen ions causing a difference in charge across the thylakoid membrane

What are the two main byproducts of cellular respiration?

A. Carbon Dioxide and Water

B. Glucose and Oxygen

C. Glucose and Carbon Dioxide

D. Carbon Dioxide and Oxygen

E. Oxygen and Water

What is the vacuole in plant cells?

A. it plays a role in the packaging and shipping of protein products

B. it is the site of RNA synthesis, and DNA storage

C. space in the middle of plant cells that contains water and macromolecule storage

D. it plays a role in capturing the energy of the sun to create carbohydrates or sugar

E. it is found in side the nucleus, and makes ribosomes

1)ATP AND NADPH

2) D, ATP generation takes place here with help of PMF

3) A

4) C, it is basically an storage organ as well as maintain tonicity of the cell

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