A General Niacin Deficiency Is Known to Be Manifested in Abnormalities

question 84

Multiple Choice

A general niacin deficiency is known to be manifested in abnormalities of all of the following organs/systems EXCEPT

• A)skin.
• B)skeletal system.
• C)nervous system.
• D)gastrointestinal tract.

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Definitions:

Genes

Segments of DNA located on chromosomes that contain the instructions for producing proteins or molecules that have specific functions in the organism.

Octopus Eyes

Complex visual organs in octopuses that are capable of image formation, color vision, and polarization sensitivity, despite being structurally different from vertebrate eyes.

Blind Spots

Regions in the visual field where no image is detected because no photoreceptors are present, notably where the optic nerve exits the eye.

Camera-Vision

A method of vision similar to how a camera operates, typically referring to the ability of some organisms to focus light onto a receptor surface to form a visual image.