The Activity of Lysozyme Is Greater Than 50% of Maximum

question 3

Multiple Choice

The activity of lysozyme is greater than 50% of maximum between pH 3.8 and 6.1 with peak activity occurring around pH 5. Below 3.8 and above 6.1, the activity drops rapidly. Which of the following provides the best explanation for this?

• A)two histidine residues in the active site must be protonated for enzyme activity
• B)the active site contains an aspartic acid and glutamic acid, both of which must be deprotonated
• C)the active site contains an aspartic acid that must be deprotonated and a glutamic acid that must be protonated
• D)the active site contains a histidine that must be protonated and a glutamic acid that must be deprotonated
• E)none of the above

Understand and calculate contribution margin and contribution margin ratio.

Identify and compute the break-even point in units and dollars.

Compute variable and fixed costs from given data.

Analyze how changes in sales volume, price, and costs affect profit.

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Definitions:

Unhealthy HR Practices

entails human resource strategies and actions that negatively impact employee well-being, morale, or legal rights, often leading to a toxic work environment.

Competitiveness

The ability of a person, company, or country to compete effectively and successfully in the market.

Labor Problem

Issues and conflicts arising in the workforce, including disputes over wages, working conditions, and workers' rights.

Scientific Management

A theory of management that analyzes and synthesizes workflows to improve economic efficiency, especially labor productivity, introduced by Frederick W. Taylor.