To Maintain High Efficiency and Greater Power Output with Increasing

question 5

Multiple Choice

To maintain high efficiency and greater power output with increasing wing beat frequencies,insect flight muscles have evolved

• A) a high ratio of muscle contractions to excitation events.
• B) a high ratio of actin to myosin.
• C) a nonsliding filament contraction mechanism.
• D) fast T tubules.
• E) gap junctions.

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Definitions:

Acetylcholine

A neurotransmitter in the brain and body that plays an important role in muscle activation, and memory and attention processes.

Neurotransmitter

Chemical messengers in the brain that transmit signals between neurons, playing a crucial role in regulating bodily functions and mood.

Anxiolytics

Medications designed to reduce anxiety and its related disorders, acting on the central nervous system.

Pharmacodynamics

The branch of pharmacology dealing with the effects of drugs and the mechanisms of their action in the body, including drug-receptor interactions.