Explanation:
In simple diffusion, small molecules without charges such as oxygen and carbon dioxide flow through a plasma membrane without assistance and without expending energy. Other substances such as proteins, glucose and charged particles called ions cannot pass through the selectively permeable membrane
<span>Chromosomes are only visible in dividing cells.</span>
Answer:
I have reported your question mtcheeew
Answer:
there is nothing there so how are we supposed to know
Explanation:
No, though if you want to be 100% safe, use a special mask, but if you don't have one just a cloth or scarf will let you to be safe for about 1 hour
