Multiple Choice
In humans, protein digestion begins in which organ due to the action of pepsin in an acidic environment?
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1. Introduction to Biochemistry
Proteins
Multiple Choice
In human blood plasma, which protein is the most abundant by concentration?
A
Immunoglobulin G (IgG)
B
Fibrinogen
C
Transferrin
D
Albumin
Verified step by step guidance1
Understand that human blood plasma contains various proteins, each with different functions and concentrations.
Recall that Albumin is a protein synthesized by the liver and is responsible for maintaining oncotic pressure and transporting various substances in the blood.
Compare the typical concentrations of the given proteins in plasma: Immunoglobulin G (IgG), Fibrinogen, Transferrin, and Albumin.
Recognize that Albumin is present in the highest concentration among plasma proteins, usually around 35-50 g/L, which is higher than the concentrations of IgG, Fibrinogen, and Transferrin.
Conclude that Albumin is the most abundant protein by concentration in human blood plasma.
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