In the Ear,the Maculae of the Utricle and Saccule Are

question 6

Multiple Choice

In the ear,the maculae of the utricle and saccule are specialized to respond to which sensory stimulus?

• A) Angular acceleration
• B) Gravity
• C) Increases in Na⁺ ions within endolymph
• D) Sound frequency
• E) Sound intensity

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Definitions:

Red Algae

Aquatic plants belonging to the phylum Rhodophyta, known for their reddish coloration due to phycoerythrin pigments.

Accessory Pigments

Pigments in photosynthetic organisms that absorb light energy and pass it to chlorophyll for photosynthesis, extending the range of light wavelengths that can be used.

Xanthophylls

A class of oxygen-containing carotenoid pigments responsible for many of the yellow, orange, and red hues in plants.

Alginic Acid

A polysaccharide distributed widely in the cell walls of brown algae, used as a food thickener and pharmaceutical ingredient.