You should test your hypothesis.
Hello There!
Before viruses can reproduce, they must infect a host cell.
Viruses need a way to enter the body before they can infect a host cell.
Answer:
CFTR protein is found in the cells lining the lungs
Upwelling is a process in which the deep and cold water rises to the water surface and not sea surface. This process plays an important role in maintaining balance in our ecosystem as it boost the marine productivity by washing the nutrients from deeper waters to the photic layer where photosynthesis is promoted.
