How Many Different Dipeptides Can Be Made from the 20

question 28

Multiple Choice

How many different dipeptides can be made from the 20 common amino acids?

• A) 20
• B) 39
• C) 40
• D) 380
• E) 400

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Definitions:

Elemental Symbol

An elemental symbol is a one or two-letter notation derived from the element's name, used to represent an element in the periodic table (e.g., H for hydrogen, O for oxygen).

Scandium

A rare, light, silvery-metallic element used in some aerospace applications.

Halogens

A group of highly reactive elements located in Group 17 of the periodic table, which include fluorine, chlorine, bromine, iodine, and astatine.

Atomic Symbol

A one- or two-letter notation used to represent an element, based on its Latin name.