With Regard to Cones, the Principle of Univariance States That

question 20

Multiple Choice

With regard to cones, the principle of univariance states that the absorption of one photon of light results in:

• A) a varied response, depending on the intensity of light.
• B) the same response, regardless of the wavelength of light.
• C) a varied response, depending on the wavelength of light.
• D) the same response, regardless of the intensity of light.

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Definitions:

Inhibitory Neurotransmitter

A type of neurotransmitter that reduces the likelihood of the neuron it binds to from firing an action potential, effectively decreasing activity in the nervous system.

Strychnine Poisoning

A toxic condition resulting from the ingestion of strychnine, a potent neurotoxin used as a pesticide.

Glycine

The smallest and simplest amino acid, important in the synthesis of proteins and other metabolic functions.

Enkephalins

Peptides in the brain that bind to opiate receptors, acting as natural painkillers and also involved in various bodily functions.