C. Channel proteins bind to molecules too large to diffuse into or out of the cell, and allow them to pass.
<span>Infections
</span><span>viruses
</span>Bacteria
Mold
and so on.
Answer:
The control variable is the soldier.
Explanation:
The same soldier is used throughout the test
Communication is a very vital part of a research by a scientist like you. The typical methods of classroom scientific communication include lectures, lab reports, term papers and poster presentations. Writing papers can help you enhance your your science productivity and at the same time retaining some body of knowledge that would be of help to future researches. The presentations you make widens your connection and awareness to the community. Moreover, the discussions you make can facilitate learning and exchange of ideas.
