The Mechanism by Which Bumblebees and Certain Moths Generate Preflight

question 63

Multiple Choice

The mechanism by which bumblebees and certain moths generate preflight heat in thoracic muscles involves

• A)a metabolic futile cycle in carbohydrate metabolism
• B)the simultaneous contraction of antagonistic flight muscles.
• C)rapid wing movement that avoids lift.
• D)all of the above

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Definitions:

Physostigmine

A naturally occurring cholinesterase inhibitor used in the treatment of myasthenia gravis and as an antidote to anticholinergic poisoning.

Black Widow Spider

A venomous spider identified by the red hourglass shape on its abdomen, known for neurotoxic venom that can cause significant pain and medical symptoms in humans.

Acetylcholine

A neurotransmitter in the nervous system involved in muscle movement and memory.

Nicotine

Nicotine is a stimulant drug found in tobacco products that can lead to addiction, it acts on the nervous system to increase alertness and can have harmful health effects.