study guides for every class

that actually explain what's on your next test

Antioxidant

from class:

General Biology I

Definition

Antioxidants are molecules that inhibit the oxidation of other molecules, thereby preventing cellular damage. They play a crucial role in protecting cells from oxidative stress and maintaining homeostasis.

congrats on reading the definition of antioxidant. now let's actually learn it.

ok, let's learn stuff

5 Must Know Facts For Your Next Test

  1. Antioxidants neutralize free radicals, which can cause cell damage.
  2. They are essential in protecting renal cells from oxidative damage during excretion processes.
  3. Common antioxidants include vitamins C and E, as well as enzymes like superoxide dismutase.
  4. Oxidative stress can exacerbate the toxicity of nitrogenous wastes such as ammonia and urea.
  5. The balance between antioxidants and free radicals is vital for kidney function and overall osmotic regulation.

Review Questions

  • How do antioxidants contribute to cellular protection?
  • What role do antioxidants play in the excretory system?
  • Name two common antioxidants and explain their importance.
© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
Glossary
Guides