Which of the Following Are Principles on Which to Base

question 35

Multiple Choice

Which of the following are principles on which to base column chromatography?

• A) Molecular size
• B) Isoionic pH or pI
• C) Ion exchange
• D) Both molecular size and ion exchange
• E) All of these

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Definitions:

Double Blind Procedure

A research method in which both the participants and the experimenters are unaware of who is receiving a particular treatment, used to prevent bias in experimental results.

Single Blind Procedure

A research design in which participants are unaware of whether they are in the experimental or control group, but the researchers know.

Neutral Sample Procedure

A method in research where the sample is selected without bias towards any outcome or hypothesis.

Blind Sample Procedure

An experimental technique in which information about the test samples is kept from the participants to prevent bias in the results.