The body recognizes after the body has been presented with or dealt with the pathogen before. the immune system defends against pathogens and the immune system then after recognizes the pathogen when the pathogen has been killed. the pathogen is recognized through the proteins presented on its surface. vaccinations contain pathogens but in small amounts in which the body can control and defend against, after the body has killed the pathogens it will later recognize it and defend better
<span>Answer:
outside cell:
[Na+] high
[glucose] low
transporter: glucose and Na+ go down
inside cell:
[Na+] low
[glucose] high
1. Na+ moves down its electrochemical gradient.
2. Glucose moves against its concentration gradient.</span>
Answer:
B. Made of different kinds of tissues
Explanation:
The large Lynx population will kill more hares so the hare population decreases. This will also cause the hare population to decrease. The population sizes for the lynx and hare fluctuate every few years. Neither population gets too big as the predator and the prey keep each population in balance
2. reaction 3. body functions
