Examlex
How many rings are associated with the steroid structure?
Cascading Reactions
A series of sequential chemical or biochemical reactions where the product of one reaction becomes the reactant of the next, often leading to complex outcomes.
Positive Feedback
A process in which the end products of an action cause more of that action to occur in a feedback loop.
Innate Immunity
The primary protection in the immune system, which includes physical, chemical, and cellular responses to pathogens and is innate from the moment of birth.
Allergen
A normally harmless substance that provokes an immune response in some people.
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