All Are True Statements About Dextrans EXCEPT

question 35

Multiple Choice

All are true statements about dextrans EXCEPT:

• A) They are used in research laboratories as a support for column chromatography (Sephadex or BioGel).
• B) They are repeating units of isomaltose.
• C) The branches may be 1→2, 1→3 or 1→4 in various species.
• D) They are an important component of dental plaque.
• E) All are true.

---

Definitions:

Habituation

The psychological process of gradually becoming accustomed to a stimulus after repeated exposure, leading to a decrease in response.

Classical Conditioning

A learning process in which an innate response to a potent stimulus comes to be elicited in response to a previously neutral stimulus.

Operant Conditioning

A method of learning that employs rewards and punishments for behavior, where an association is made between a behavior and a consequence for that behavior.

Gestation

The period of development from the fertilization of an ovum until birth in pregnant mammals, including humans.