Which of the following is true regarding carbon fixation?
Select one:
a.
ATP and NADH are created.
b.
Three carbon atoms from three CO2 molecules will be fixed to one RuBP with each turn of the calvin cycle.
c.
Five molecules of RuBP will be rearranged to form Rubisco.
d.
One RuBP will be fixed to one carbon from one CO2 with each turn of the cycle.
ATP synthase:
Select one:
a.
Is used to generate ATP in cellular respiration, but hydrolyzes ATP in photosynthesis.
b.
Is a co-transporter/symporter used to transport H+ and ATP in both cellular respiration and photosynthesis.
c.
Is an enzyme that is a tiny rotary motor.
Which of the following is true of both linear electron flow and cyclic electron flow in photosynthesis?
Select one:
a.
Photosystem II is involved in both.
b.
Photosystem I is involved in both.
c.
Both generate ATP and NADPH.
d.
Water splitting occurs in both.
According to the Dunn article, “The Glory of Leaves”, leaves come in an incredible array of sizes and shapes. What has contributed to this biodiversity?
Select one:
a.
Environment
b.
Nutrient availability
c.
All of these answers (genetic variation, nutrient availability, environment)
d.
Genetic variation
Which of the following is associated with photorespiration?
Select one:
a.
Increased fixation of CO2
b.
Binding of O2 to Rubisco
c.
Binding of CO2 to Rubisco
d.
Decreased fixation of O2
Which of the following is NOT true of NADP+/NADPH?
Select one:
a.
NADP+ is reduced to NADPH during the light reaction.
b.
NADP+ is a major electron carrier in cellular respiration and photosynthesis.
c.
NADPH can be oxidized to NADP+.
d.
Electrons carried by NADPH are used in the dark reaction.
Which of the following wavelengths contains the most energy.
Select one:
a.
600nm
b.
400nm
c.
500nm
d.
700nm
Where does resonance energy transfer occur?
Select one:
a.
Antenna complex
b.
ATP Synthase
c.
Photosystem II reaction centre
d.
Plastoquinone
Although the Calvin Cycle does not require light energy directly, it does ultimately depend on light. Is this statement true?
a.
No it is not true. It could run indefinitely in the absence of light.
b.
Yes it is true, because it depends on NADPH, which requires light for its production.
c.
Yes it is true, because the activity of Rubisco requires CO2 produced in the light reactions as a substrate.
d.
Yes it is true, because in the absence of light, molecular oxygen will accumulate in the plant tissue and serve as a substrate for Rubisco.
