The Mechanism of Aspartate Protease Catalysis Is Proposed to Be

question 22

Multiple Choice

The mechanism of aspartate protease catalysis is proposed to be:

• A) covalent nucleophilic catalysis.
• B) covalent electrophilic catalysis.
• C) specific base catalysis.
• D) general base-general acid catalysis facilitated by a low barrier hydrogen bond.
• E) all of the above.

---

Definitions:

Operating Cycle

The period of time between the acquisition of inventory by a company and the receipt of cash from accounts receivable from the sale of that inventory.

Inventory Period

The time it takes for a company to turn its inventory into sales.

Accounts Payable Period

The duration it takes for a company to pay off its supplier invoices.

Accounts Receivable Period

The typical period a firm takes to collect receivables from its clients.