How Many Different Types of Tripeptides (Molecules of Three Amino

question 97

Multiple Choice

How many different types of tripeptides (molecules of three amino acids linked together) can be synthesized from the 20 common amino acids?

• A) 3
• B) 20
• C) 60
• D) 900
• E) 8,000

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Definitions:

No-Load Voltage

The voltage of an electrical device or circuit when no load is connected, representing its maximum voltage output.

Internal Resistance

The resistance inherent to a power source.

Cell

The basic structural, functional, and biological unit of all living organisms, or a device that converts chemical energy into electrical energy in a battery.

Specific Gravity

A dimensionless number that describes the ratio of the density of a substance to the density of a reference substance, typically water at 4 °C.