Problem:
Provide the correct answer and justification for your choice:
Question 1: During photosynthesis, how many molecules of carbon dioxide, ATP, and NADPH are needed to form 2 molecules of glucose?
A)12, 36, and 24
B)24, 18, and 24
C)26, 18, and 24
D)3, 9, and 6
Question 2: How is water split and oxygen released during photosynthesis?
A)An energy-rich photon directly provides the energy to split water.
B)An enzyme in photosystem I uses the energy of a photon to split water.
C)The oxidized form of P680 splits water.
D)A proton pump provides the energy to split water in the thylakoid lumen.
E)ATP originating from the Calvin cycle splits water.
Question 3: The genes coding for rubisco are found
A)both in the nuclear DNA and in the chloroplast DNA.
B)both in the nuclear DNA and the mitochondrial DNA.
C)only in the nuclear DNA.
D)only in the chloroplast DNA.
E)only in the mitochondrial DNA.
Question 4: Which of the following substances is most difficult to move across a membrane?
A)Na+
B)O2
C)H2O
D)glycerol
E)CO2