Which of the following statements about the Pentose Phosphate Pathway (PPP) is/are correct? 1. It produces NADPH required for biosynthetic reactions. 2. It provides ribose-5-phosphate for nucleotide synthesis. 3. It directly generates ATP through substrate-level phosphorylation. 4. It operates primarily in the cytosol.

The reaction X-C-C-Y → X-Y + C=C depicts the activity of a particular class of enzymes. Identify the enzyme class 'E' from the following options:

Match List I with List II: List I A. Trypsin B. Morphine C. Concanavalin A D. Collagen List II I. Intercellular ground substance II. Lectin III. Enzyme IV. Alkaloid Choose the correct answer from the options given below: