Which of the Following Is a Unique Characteristic of Viruses

question 57

Multiple Choice

Which of the following is a unique characteristic of viruses that distinguishes them from the other major groups of microorganisms?

• A)Cannot be seen without a microscope
• B)Contain genetic material
• C)Cause human disease
• D)Lack a nucleus
• E)Lack cell structure

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Definitions:

Trichromatic Theory

A theory of color vision stating that the human eye has three types of receptors with differing sensitivities to different light wavelengths.

Opponent-process Theory

A psychological and neurological model that describes how contrasting colors, emotions, and states are regulated in the human body, stating that the activation of one process automatically triggers the suppression of its opposite.

Bipolar Cell

A type of neuron found in the retina, involved in the transmission of visual signals from photoreceptors to ganglion cells.

Negative Afterimages

A visual phenomenon where the retina retains an image after exposure, often in complementary colors to the original stimulus.