Examlex
Which of the following enzymes works most effectively at a very low pH?
Airborne Molecules
Tiny particles or substances suspended in the air that can be inhaled or absorbed by organisms.
Immune System
The complex network of cells, tissues, and organs that work together to defend the body against attacks by foreign invaders, such as bacteria, viruses, and other pathogens.
Macrophage
A type of white blood cell that engulfs and digests cellular debris, foreign substances, and pathogens, playing an essential role in the immune response.
Lymphocytes
A type of white blood cell that is an essential component of the immune system, helping the body to fight infections and diseases.
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