A Cepheid Variable Is a

question 118

Multiple Choice

A Cepheid variable is a

• A) type of eclipsing binary star.
• B) high-mass giant or supergiant star that pulsates regularly in size and brightness.
• C) low-mass red giant that varies in size and brightness in an irregular way.
• D) variable emission nebula near a T Tauri star.

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Definitions:

Mechanoreceptors

Sensory receptors in the body that respond to mechanical pressure or distortion, including touch, pressure, vibration, and sound.

Photoreceptors

Specialized cells located in the retina of the eye that are sensitive to light and enable vision.

Glutamate

An important neurotransmitter in the brain that plays a key role in learning and memory, also serving as a flavor enhancer in food.

Umami

One of the five basic tastes, often described as savory or meaty, associated with flavors of broth, cheese, and soy sauce.