Proteins in Cells Can Act as Important Buffer Systems

question 101

Multiple Choice

Proteins in cells can act as important buffer systems. If intracellular pH rises, certain ________ of proteins can ________ H⁺ to return pH to normal conditions.

• A) amino acids; donate
• B) nucleotides; donate
• C) amino acids; accept
• D) nucleotides; accept

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Definitions:

Manufacturing Overhead

All manufacturing costs other than direct materials and direct labor, including maintenance, utilities, and depreciation of production facilities.

Cost of Goods Sold

The direct costs attributable to the production of the goods sold by a company, including materials, labor, and overhead costs, but excluding indirect expenses such as distribution costs.

Balance Sheet

Balance Sheet is a financial statement that provides a snapshot of a company's financial condition at a specific time, detailing assets, liabilities, and shareholders' equity.

Spreadsheet

A digital tool that allows users to organize, analyze, and store data in rows and columns, often used for calculations and data analysis.