Ca⁺⁺ or Mg⁺⁺ are Most Likely to Be Part of

question 77

Multiple Choice

Ca⁺⁺ or Mg⁺⁺ are most likely to be part of , while Zn⁺⁺ or Fe⁺⁺ are present in .

• A) metal-activated enzymes; metalloenzymes
• B) metalloenzymes; metal-activated enzymes
• C) cofactors; coenzymes
• D) coenzymes; cofactors
• E) apoenzymes; holoenzymes

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Definitions:

C=O Stretch

A vibrational mode in infrared spectroscopy, indicating the presence of a carbonyl group (\(C=O\)) in the molecule, characterized by a strong, distinctive absorption band.

Aldehydes

Organic compounds characterized by the carbonyl group bonded to at least one hydrogen atom.

IR Absorption

The process where molecules absorb specific frequencies of infrared light, causing molecular vibrations that are characteristic of functional groups within the molecule.

Broad Absorption

A phenomenon where a material or molecule absorbs a wide range of wavelengths or frequencies.