Asked by Jenica Reams on Apr 28, 2024
Verified
Free radicals cause aging because
A) they collect in the organs and skin, forming large molecules that interfere with organ function.
B) they donate electrons to molecules that are nearby, like DNA and proteins, causing damage to the molecule.
C) free radicals combine together and attack DNA.
D) free radicals combine with oxygen, reducing the functionality of the mitochondria.
E) they speed up metabolic processes, causing the organs to wear out faster.
Free Radicals
Highly reactive molecules with unpaired electrons that can cause cellular damage through oxidative stress.
Metabolic Processes
The biochemical processes that occur within living organisms to maintain life, including anabolism and catabolism.
Antioxidant Enzymes
Enzymes that help mitigate oxidative damage by neutralizing potentially harmful molecules known as free radicals.
- Identify the genetic and environmental factors influencing aging and their effects on the human body.
Verified Answer
LF
Lindsay FlowersApr 29, 2024
Final Answer :
B
Explanation :
Free radicals are highly reactive molecules that donate or take electrons from nearby molecules, causing damage to the molecule. This can lead to aging by damaging proteins, lipids, and DNA, harming the cells and tissues in the body over time.
Learning Objectives
- Identify the genetic and environmental factors influencing aging and their effects on the human body.