Reaction of the Peptide, Ala-Met-Lys-Ser, with Phenylisothiocyanate (PITC) at PH

question 25

Multiple Choice

Reaction of the peptide, ala-met-lys-ser, with phenylisothiocyanate (PITC) at pH 8.0 followed by mild acidification (first cycle of Edman method) would release:

• A) the labeled peptide ala-met-lys-ser-PTH.
• B) PTH-ala, PTH-ser, PTH-lys and PTH-met.
• C) PTH-ser and the peptide ala-met-lys.
• D) PTH-ala and the peptide met-lys-ser.
• E) All of the above.

---

Definitions:

Signal Detection Task

A psychological test that measures the ability to differentiate between information-bearing patterns (signals) and random patterns that distract from the information (noise).

Hit

In the context of data or searches, a hit refers to a successful match or retrieval of information that corresponds to a specific query.

Difference Threshold

The minimum difference in stimulation that a person can detect 50% of the time, also known as the just noticeable difference (JND).

Electromagnetic Waves

Waves of the electromagnetic field, propagating through space, carrying electromagnetic radiant energy.