What Is the Charge on the Tetrapeptide Lys-Lys-His-Glu at PH

question 7

Multiple Choice

What is the charge on the tetrapeptide lys-lys-his-glu at pH 7?

• A) 0
• B) +1
• C) +2
• D) − 1

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Definitions:

Empirical Research

The collection of data through observation and experimentation to gain knowledge.

Anecdotal Evidence

Information derived from personal accounts, stories, or testimonials rather than from systematic scientific evaluations, often subject to bias.

Experimenter Bias

A process where the scientists performing the research influence the results, either intentionally or unintentionally, to achieve a certain outcome.

Double-Blind

An experimental procedure in which neither the participants nor the experimenters know who is receiving a particular treatment, to prevent bias.