Antioxidant

Free radicals are atoms with unpaired electrons, produced during normal metabolism. They are harmful oxidizing molecules that can damage cells and tissues. Antioxidants like vitamin C and E help minimize their negative effects.

What characterizes free radicals in terms of their electron configuration?

• They have a complete set of paired electrons.

• They have an odd unpaired number of electrons.

• They have no electrons.

• They have an even number of electrons.

During what process are free radicals typically produced?

• Photosynthesis

• Normal metabolism

• Respiration

• Fermentation

What is a potential consequence of free radicals in the body?

• They can improve digestion.

• They can damage cells and tissues.

• They can enhance cell growth.

• They can strengthen bones.

Which of the following is an antioxidant that helps combat free radicals?

• Vitamin D

• Vitamin C

• Vitamin B12

• Vitamin K

How do antioxidants like Vitamin E benefit organisms?

• They eliminate all free radicals from the body.

• They convert free radicals into proteins.

• They minimize the negative effects of free radicals.

• They increase the production of free radicals.