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:
Answer: Small countries, such as Bangladesh, are practicing subsistence fishing, taking only the fish needed to survive.
Explanation:
Answer:
Hunting and killing other animals.
Explanation:
I don't exactly believe it is necessarily a wrong thing to do, since other animals kill each other as well, but I can see your point.
B, false. Vegetarians do not consume the food that is known to cause cancer, meat.
