Exhibit 3A (For This Chapter)

question 23

Multiple Choice

Exhibit 3A (for this chapter)
Refer to Exhibit 3A. Which of these amino acids could act as a good buffer at pH = 4.5

• A) Alanine
• B) Arginine
• C) Asparagine
• D) Cysteine
• E) Aspartic Acid

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Definitions:

Semantic Level

Pertaining to the meaning of words and language, especially the relationship between signifiers and what they signify or represent.

Case Markers

Grammatical markers that indicate the role of a noun, pronoun, or adjective in a sentence, such as subject, object, or possessive.

Semantic Role

The part that each phrase plays in the “who did what to whom” drama described by a sentence. One word takes the role of being the cause of the action, another, its effect, and so on.

Predicate

The part of a sentence or clause containing a verb and stating something about the subject (e.g., 'ran' in 'the dog ran').