Which of the Following Describes an Association of Vitamin a and Vision

question 29

Multiple Choice

Which of the following describes an association of vitamin A and vision?

• A)Retinoic acid is the form required for synthesis of retinoblasts
• B)Light causes retinal to shift from a cis to a trans configuration
• C)Retinol is the form bound to beta-carotene in the corneal membrane
• D)Pigment molecules in the retina are composed of a molecule of vitamin A bound to an omega-3 fatty acid

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Definitions:

Sound Travels

Sound travels through various mediums (such as air, water, and solids) as a wave of pressure variations, allowing us to hear by reaching and being interpreted by our ears.

Feet/Second

A unit of speed expressing the distance in feet traveled or covered in one second.

Complex Tones

Complex tones consist of multiple frequencies or harmonics combined, which contribute to the richness and timbre of sounds, playing an essential role in the perception of music and speech.