When Iron Complexes with the Nitrogen Atoms in a Porphyrin

question 64

Multiple Choice

When iron complexes with the nitrogen atoms in a porphyrin ring, the unit is called a ________

• A)myoglobin group.
• B)porphyrate.
• C)heme group.
• D)ferrate group.
• E)hemoglobin.

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Definitions:

Independent Variables

Factors that are manipulated or varied in an experiment to observe their effect on dependent variables.

Combinations

A selection of items from a larger set where the order of selection does not matter.

Interaction Effect

An effect in statistical analysis indicating that the influence of one variable on the dependent variable differs across levels of another variable, demonstrating that the effect is not simply additive.

Parallel Lines

Straight lines in the same plane that do not intersect, regardless of how far they are extended.