Invisible Living Creatures Were Thought to Exist and Cause Disease

question 16

True/False

Invisible living creatures were thought to exist and cause disease long before they were ever observed.
Blooms Level: 2.Understand
Section: 01.03

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Definitions:

Young-Helmholtz Theory

A theory of color vision that proposes the eye contains three types of color receptors, which are sensitive to red, green, and blue.

Primary Color

One of a small group of colors (typically red, green, and blue for light or cyan, magenta, and yellow for pigment) that can be combined to create a full spectrum of colors.

Trichromatic Analysis

A theory of color vision based on the idea that the eye contains three types of color receptors, sensitive to red, green, and blue light.

Primary Colors

A set of colors from which all other colors can be obtained through mixing; in the context of additive color mixing – red, green, and blue; for subtractive mixing – cyan, magenta, and yellow.