Which of the following statements about free radicals is incorrect?
A) They are a by-product of oxygen-consuming redox reactions.
B) Their unpaired electron makes them extremely reactive.
C) They can disrupt covalent bonds in biomolecules.
D) B vitamins provide protection from their harmful effects.
E) Superoxide catalase is one of the specific enzymes that can provide protection from their harmful effects.
Question 2
The various shapes taken on by an organic molecule are known as ________.
A) conformations
B) constitutional isomers
C) preferential isomers
D) configurations
E) none of the above
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