Many scientists never wear a lab coat at all. Some work in fields that don't require lab work and do their work behind a computer. Some use their science degrees to teach or write about science. Some work as consultants for companies, or as editors for scientific journals.
Answer:
if a molecule is too large it cannot pass. also it depends on the concentration of a specific substance inside the cell. similarly, if a molecule is polar it cannot penetrate the phospholipid bilayer.
there are proteins that work as channels and pumps that allow these molecules to pass
Explanation:
Benign because benign tumors don't grow into nearby tissues or spread to distance areas
Hi!
Carbon is essentially able to exist in four structures:
1. Amorphous
2. Graphite
3. Diamond
4. Carbon 60 / Buckminsterfullerene
Hope this helps!
