Register
When is the adaptive immune system active? A All the time B Only when there's a repeat infection C Only after pathogens start to multiply D Only when a person acquires autoimmunity
176k views
1 vote
When is the adaptive immune system active?

A All the time
B Only when there's a repeat infection
C Only after pathogens start to multiply
D Only when a person acquires autoimmunity

User Seamus Campbell
by
3.5k points

1 Answer

2 votes

Step-by-step explanation:

Adaptive immunity is an immunity that occurs after exposure to an antigen either from a pathogen or a vaccination. This part of the immune system is activated when the innate immune response is insufficient to control an infection

User ChrisFreeman
by
3.5k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.6m questions

4.7m answers

Other Questions

ANSWER AND EXPLAIN PLZ:)
Gibberellic acid stimulates the cells of germinating grass seeds to produce mrna molecules that code for hydrolytic enzymes. In this case the role of gibberellic acid can best be described as that of
Name three ecosystem services provided by biodiversity.
As in most areas of biology, the study of mitosis and the cell cycle involves a lot of new terminology. Knowing what the different terms mean is essential to understanding and describing the processes
Climate change is a ___ environmental change
Link Copied!