Enzymes can be best described as catalysts in living systems. This is because enzymes accelerate chemical reactions without being used up in the process.
Answer and Explanation:
1. passive natural immunity
2. decrease
3. passive artificial immunity
4. His body contains antibodies from his previous exposure, and his body was able to quickly fight off the infection
5. active natural immunity
6. B cells
7. Neutrophils
Answer:
10 electrons
Explanation:
Normally you would assume the atom to be neutral, meaning the protons and electrons cancel each other, if nothing states the charge of the atom. So, there must be 10 electrons in order to cancel out the protons.
Hope this helped :]
Support, Blood cell production, Protection
