Use the Following to Answer the Questions Below

question 57

Multiple Choice

Use the following to answer the questions below:
Identify the standard amino acid with each of the characteristics using the response list. Responses may be used more than once or need not be used at all.

-Only standard amino acid with a cyclic side chain

• A) proline
• B) cysteine
• C) glycine
• D) alanine

---

Definitions:

Unilateral Contract

A contract where one party makes a promise in exchange for an act by another party, which upon performance, binds the first party to its promise.

Promissory Estoppel

A law that stops someone from going back on a commitment they've made to another if the second party has trusted this promise to their own disadvantage.

Promissory Estoppel

A judicial doctrine that forbids a party from revoking an assurance given to another party if the recipient has legitimately acted on that promise to their detriment.

Quasi Contract

A legal concept where a court imposes a contractual obligation on a party who has not expressly consented to it, to prevent unjust enrichment.