Alpha and beta globulins transport iron, lipids, and which group of vitamins?
AVitamins B1, B6, B12, and C
BVitamins A, D, E, and K
CVitamins B2, B3, B9, and C
DVitamins C, B12, B6, and K
Answer & Solution
Correct answer: B. Vitamins A, D, E, and K
1. Alpha and beta globulins act as transport proteins in the watery plasma.
2. What needs such a carrier is anything that does not dissolve well in water.
3. The fat-soluble vitamins A, D, E and K fall exactly into that category, and the globulins carry them along with iron and lipids.
4. The B vitamins and vitamin C are water soluble, so options built around them fail the underlying logic.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 18 "The Cardiovascular System: Blood", section 18.1 An Overview of Blood_
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