Choose the Correct Answer from the List Below

question 9

Multiple Choice

Choose the correct answer from the list below. Not all of the answers will be used.
-____________: The amino acid with a negatively charged side chain at neutral pH.

• A)L amino acids
• B)water
• C)protons
• D)zwitterions
• E)leucine
• F)serine
• G)tyrosine
• H)cysteine
• I)glutamate
• J)histidine
• K)proline
• L)asparagine
• M)D amino acids

---

Definitions:

Genetic Determinants

Factors encoded in an individual’s DNA that influence their traits, characteristics, and likelihood of developing certain diseases or conditions.

Knock-In Mice

Genetically engineered mice in which a gene has been precisely altered by the insertion of a modified gene or a reporter gene at a specific locus.

Knockout Mice

Genetically engineered mice in which one or more specific genes have been made inoperative to study gene function.

Huntington Disease

A genetic neurodegenerative disorder characterized by motor dysfunction, cognitive decline, and psychiatric symptoms.