Topics: Protein and Amino Acid Metabolism Quiz
What is the significance of alpha-ketoglutarate in the tricarboxylic acid (TCA) cycle?
A. Acts as a precursor for amino acid synthesis
B. Facilitates protein absorption in the small intestine
C. Converts amino acids to glucose for energy
D. Regulates gene expression
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Which category of proteins is responsible for transporting molecules across cell membranes?
A. Enzymes
B. Structural proteins
C. Transport proteins
D. Storage proteins