Which Mineral May Substitute for Magnesium in the Complement System

question 2

Multiple Choice

Which mineral may substitute for magnesium in the complement system?

• A) boron
• B) cobalt
• C) silicon
• D) nickel

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Definitions:

C≡N Stretch

A spectroscopic term referring to the absorption frequency characteristic of the triple bond between carbon and nitrogen atoms in nitriles, observable in infrared or Raman spectra.

IR Band

A specific frequency range within an infrared spectroscopy spectrum that corresponds to the vibration of molecular bonds, used for chemical identification.

IR Absorption

The process where a molecule absorbs infrared radiation, raising its energy level in relation to its vibrational modes.

IR Absorptions

The process where molecules absorb specific frequencies of infrared light, causing vibrations that can be used to identify them.