Which of the Following Is True Regarding CO₂ Fixation in Plants

question 36

Multiple Choice

Which of the following is true regarding CO₂ fixation in plants?

• A) CAM plants work by storing carbon dioxide at night in the form of oxaloacetate
• B) The RUBISCO enzyme has a higher affinity for oxygen than for CO₂, making it very difficult to effectively fix CO₂
• C) At high temperatures, C4 plants are more efficient than C3 plants because they are able to fix CO₂ with minimal photorespiration
• D) The RUBISCO enzyme contains a Mg²⁺ that acts as a Lewis base, binding to CO₂ and making it more susceptible to nucleophilic attack
• E) None of the above are true

---

Definitions:

Employers

Entities or individuals who hire and pay individuals to perform certain jobs or services, often within an organizational or business setting.

Violation

The act of disregarding or not complying with a law, rule, or agreement.

Invasion of Privacy

Unauthorized intrusion into the personal life or data of an individual which violates their rights.

Tort

A civil wrong that causes a claimant to suffer loss or harm, resulting in legal liability for the person who commits the tortious act.