How Many Unique Tripeptides Can Be Made from Two Molecules

question 13

Multiple Choice

How many unique tripeptides can be made from two molecules of valine (val) and one molecule of alanine (ala) ?

• A) One
• B) Two
• C) Three
• D) Four
• E) >Five

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Definitions:

Feature Detectors

Neurons in the brain that identify specific features of a stimulus, such as shape, angle, or movement.

Ganglion Cells

Neurons located in the retina that receive visual information from photoreceptors and transmit it to the brain via the optic nerve.

Axons

Long, slender projections of nerve cells (neurons) that transmit electrical impulses away from the neuron's cell body.

Ganglion Cells

Neurons located in the retina that receive visual information and transmit it to the brain.