As a Research Scientist, You Measure the Amount of ATP

question 78

Multiple Choice

As a research scientist, you measure the amount of ATP and NADPH consumed by the Calvin cycle in 1 hour. You find 30,000 molecules of ATP consumed, but only 20,000 molecules of NADPH. Where did the extra ATP molecules come from?

• A) photosystem II
• B) photosystem I
• C) cyclic electron flow
• D) linear electron flow
• E) chlorophyll

---

Definitions:

Dural Venous Sinus

Channels located within the dura mater layer of the meninges that drain venous blood from the brain and transport it into the internal jugular vein.

Subdural Space

The area between the dura mater and the arachnoid mater of the brain, potentially a site for hematomas following head injury.

Cerebellum

The part of the brain at the back of the skull in vertebrates, responsible for coordinating and regulating muscular activity.

Flocculonodular Lobe

A region of the cerebellum involved in the coordination of balance and eye movements.