Answer:
Because T-cell-independent antigens do not activate helper T cells, they fail to induce B cell memory, affinity maturation, or class switching, all of which require help from T cells. They therefore mainly stimulate the production of low-affinity (but high-avidity) IgM antibodies.
Explanation:
Answer:
D
Explanation:
All of the other examples are positive
I would say it would effect the Frogs Nervous System
Answer: c. Leibig's Law
Explanation:
The Liebig law of minimum states that growth is measured not by determining the available resources but the with resources which are limited or scarce. This law is applicable to ecosystem models and biological population for comparing the growth in scarcity of resources such as mineral nutrients and sunlight. This law was proposed by Carl Sprengel (1828).
