the second one i’m pretty sure
B-cells fight bacteria and viruses by making Y-shaped proteins called antibodies, which are specific to each pathogen and are able to lock onto the surface of an invading cell and mark it for destruction by other immune cells
Answer:
Instead, you can say, "If you let the faucet run while brushing your teeth, you re wasting water."
Hope this helps!
Answer:
The short answer is, yes and no. There's only a handful of animals like mammals or birds that have a parasitic relationship; one such is the Vampire Bat, yes, although one could argue it could also be considered a form of hunting too.
Explanation:
