A Deficiency of Which of the Following Nutrients Is the Single

question 32

Multiple Choice

A deficiency of which of the following nutrients is the single greatest cause of preventable brain damage and mental retardation?

• A) iodine
• B) iron
• C) calcium
• D) omega-3 fatty acids

---

Definitions:

Ribulose Bisphosphate (RuBP)

A five-carbon sugar involved in the carbon fixation process of photosynthesis, acting as a substrate for the enzyme RuBisCO.

Rubisco

An enzyme involved in the first major step of carbon fixation in the process of photosynthesis, catalyzing the reaction between carbon dioxide and ribulose bisphosphate.

Thylakoid Membrane

A membrane-bound compartment inside chloroplasts and cyanobacteria where the light-dependent reactions of photosynthesis occur.