How Many of the 20 Common α-Amino Acids Are Considered

question 27

Multiple Choice

How many of the 20 common α-amino acids are considered "essential" (i.e. ,required by humans for protein construction) .

• A) 2
• B) 5
• C) 10
• D) 13
• E) 17

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Definitions:

Defect Of Title

A legal issue with the ownership rights of property or real estate, making the transfer of a clear title to the property problematic.

Holder In Due Course

A legal term referring to a person who has received a negotiable instrument in good faith and for value, and thus has certain protections against defenses and prior claims to the instrument.

Endorser

A person who signs a document (usually on its back) transferring their rights to another person.

Negotiable Instruments

Financial documents that guarantee the payment of a specific amount of money, either on-demand or at a set time, with the payer's name written on it.