17. Which is not the principal components of the plasma membrane? (A) Phospholipids (B) Triacylglycerols (C) Cholesterol (D) Sphingolipids

5. Which one of the following statements is correct? (A) Fatty acid biosynthesis is a mitochondria function. (B) Fatty acid biosynthesis requires FADH2 as a cofactor. (C) Fatty acid biosynthesis requires NADH as a cofactor. (D) Fatty acid biosynthesis requires NADPH as a cofactor.