A Protein Kinase Can Phosphorylate an Enzyme and Activate It

question 53

Multiple Choice

A protein kinase can phosphorylate an enzyme and activate it by

• A) changing the enzyme's function.
• B) increasing the number of enzyme molecules.
• C) decreasing the number of enzyme inhibitors.
• D) changing the shape of the enzyme to expose an active site.
• E) increasing transcription of the enzyme.

Understand how the backing plate functions within a drum brake assembly.

Distinguish between the parts and mechanisms involved in the self-adjusting feature of drum brakes.

Identify components responsible for retaining the brake shoes in the correct position.

Explain the operational principles of leading-trailing and duo-servo brake designs.

---

Definitions:

Calcium Salts

Inorganic compounds found in bones and teeth, critical for maintaining their hardness and strength.

Bone Tissue

A hard, dense connective tissue forming the structure of the skeleton and providing support and protection for the body.

F-distribution

A continuous probability distribution that arises frequently as the null distribution of a test statistic, especially in ANOVA and regression analysis.

Critical Value

A critical value is a point on the test distribution that is compared to the test statistic to determine whether to reject the null hypothesis.