Photosynthesis Light Reactions AP Biology

Which of the following is NOT a product of the light reactions?

• ATP
• NADPH
• Oxygen
• Glucose

Tags

NGSS.HS-LS1-5

What does ATP synthase do?

• Create ATP in chemiosmosis.
• Break down ATP in chemiosmosis.
• Break down NADPH. 
• Create NADPH.

What is the function of NADP+?

• It absorbs light
• It is an electron carrier
• It is a light-reflecting pigment
• It acts as long-term energy storage

Which substance from the light-dependent reactions of photosynthesis is a source of energy for the light-independent reactions?

• ADP
• H₂O
• NADPH
• pyruvic acid

What is the ultimate source of energy for life on Earth?

• glucose
• sunlight
• ATP
• H2O

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-5

What is the purpose of splitting water in PS2 of the light dependent reaction?

• Provides e- for PS2 and H+ for the thylakoid space
• To produce Oxygen for animals
• There is no purpose

It is important to create a concentration of H+  in the thylakoid space so that the H+ can diffuse through_________ to create ______.

• ATP synthase, ATP
• NADH, NADPH
• proton pump, protons

Tags

NGSS.HS-LS1-5

Where do the light reactions happen?

• mitochondria membrane
• thylakoid membrane
• stroma
• central vacuole

Tags

NGSS.HS-LS1-5

According to this absorption spectrum, what color is not used by the chlorophyll pigments?

• green
• blue
• yellow
• red

Tags

NGSS.HS-LS1-5

What supplies the electron that is lost in PS II?

• oxygen
• water
• glucose
• rubisco

Tags

NGSS.HS-LS1-5