One Function of HCl Secreted in the Stomach Is to Convert

question 22

Multiple Choice

One function of HCl secreted in the stomach is to convert pepsinogen into the active enzyme pepsin.Why don't stomach cells simply secrete pepsin instead?

• A)Adequate amounts of pepsin are already manufactured by the pancreas.
• B)Only the pepsinogen version is able to stabilize fat-water emulsions.
• C)Pepsin is denatured and rendered inactive in solutions with low pH.
• D)If cells produced active pepsin,they would digest their own cellular proteins.

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Definitions:

Variable Cost

Costs that vary directly with the level of production or output, such as materials and labor, in contrast to fixed costs which remain constant regardless of output.

Total Cost

The total of all costs associated with the creation of goods or services, encompassing both fixed and variable expenses.

Average Variable Cost

Average Variable Cost is the total variable costs (costs that change with the level of output) divided by the quantity of output produced, representing the cost of producing one additional unit of goods or services.

Marginal Cost

Expenses related to the production of an additional unit of any good or service.