Which of the Following Would Be Inhibited by a Drug

question 72

Multiple Choice

Which of the following would be inhibited by a drug that specifically blocks the addition of phosphate groups to proteins?

• A)G protein-coupled receptor signalling
• B)ligand-gated ion channel signalling
• C)adenylyl cyclase activity
• D)phosphatase activity
• E)receptor tyrosine kinase activity

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Definitions:

Cross-Bridges

The connections formed between actin and myosin filaments in muscle fibers during contraction, allowing the muscle to generate force and movement.

Muscle Fiber

An individual muscle cell, elongated and capable of contracting, that makes up skeletal muscles.

Diameters

Measurements of length through the center of a body or object from one side to the other, indicating its size in a specific direction.

Innervation

The supply of nerves to a specific body part, essential for initiating and controlling its function.