Which of the Following Tetrapeptides Is Not Cleaved by Chymotrypsin

question 17

Multiple Choice

Which of the following tetrapeptides is not cleaved by chymotrypsin?

• A) Gly-Lys-Cys-Trp
• B) Cys-Tyr-Arg-Phe
• C) Phe-Ser-Ile-Lys
• D) Ala-Trp-Tyr-Arg
• E) Phe-Met-Pro-Arg

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Definitions:

Floodplain Zone

An area of land adjacent to a stream or river which stretches from the banks of its channel to the base of the enclosing valley walls and experiences flooding during periods of high discharge.

Marine Organisms

Living creatures that inhabit the ocean or sea, including both plants and animals.

Nekton

Aquatic animals that can swim and move independently of water currents, including fish, whales, and squids.

Limnetic Zone

The open water area of a freshwater basin (like a lake) where sufficient light penetrates to support photosynthesis, excluding the near shore areas.