What are the two hydroxyl amino acids?    – Serine (Ser/S) and threonine (Thr/T) are the two hydroxyl amino acids.   How do serine and threonine differ structurally?    – Serine has a hydroxyl group (―OH) attached to its beta carbon, while threonine has a hydroxyl group attached to its beta carbon and a methyl

What are the main steps in the digestion and absorption of dietary proteins?   – Proteins are broken down into amino acids and small peptides by digestive enzymes in the stomach and small intestine. – Amino acids and small peptides are absorbed through the intestinal epithelium into the bloodstream. – The absorbed amino acids are

What is the primary location of β-oxidation in the cell?    The primary location of β-oxidation is the mitochondria.   What is the first step in fatty acid oxidation?    The first step in fatty acid oxidation is the activation of fatty acids to form fatty acyl-CoA, which requires ATP.   How are long-chain fatty