alleryStart learning →Which blood protein is a major factor in controlling the osmotic pressures applied to tissues?
AClathrin, made in the membrane
BCaveolin, made in the membrane
CAlbumin, produced by the liver
DIntegrin, produced by the kidney
Answer & Solution
Correct answer: C. Albumin, produced by the liver
1. Animals carry high concentrations of albumin in their blood, and albumin is produced by the liver.
2. Albumin is too large to pass easily through plasma membranes.
3. Because it stays in the blood, it is a major factor in controlling the osmotic pressures applied to tissues.
4. Clathrin and caveolin are membrane coat proteins for endocytosis, and integrins are a type of integral membrane protein.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 5 "Structure and Function of Plasma Membranes", section 5.2 Passive Transport_
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