What of the Following Is a Disadvantage of C4 Photosynthesis

question 18

Multiple Choice

What of the following is a disadvantage of C4 photosynthesis relative to C3 photosynthesis?

• A) inability of rubisco to obtain O₂
• B) need for energy to move fixed carbon in C4 compound into bundle sheath cells
• C) need for stomata to close to conserve H₂O
• D) need for energy to move H₂O into bundle sheath cells
• E) inability of ATP synthase to utilize H⁺ gradient for energy

---

Definitions:

Portfolio Return

The overall gain or loss generated by an investment portfolio over a particular period of time, taking into account both capital gains and income received.

Expected Return

The anticipated average return from an investment based on its probable profits.

Recession

A period of temporary economic decline during which trade and industrial activity are reduced, generally identified by a fall in GDP in two successive quarters.

Portfolio

A group of various financial instruments such as stocks, bonds, commodities, and cash or cash-like assets, including mutual funds and exchange-traded funds.