Answer:
When the molecules are too large.
Explanation:
Facilitated diffusion refers to the passive transport of substances down the concentration gradient via specific transport proteins present in the membrane. The large, polar, charged substances and ions cannot pass through the small spaces present between hydrophobic tails of membrane phospholipids. The transport proteins transport these substances in energy independent manner.
<span>The best way to destroy harmful germs that may be present in meat is to cook foods to the right temperature.
It is a known fact that various types of germs and bacteria are susceptible to high heat - which is why if you want to eliminate them from your food, you should either cook them, boil them, fry them, or something like that using a high temperature in order to kill the germs and bacteria.
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The plasma/cell membrane is a phospholipid bilayer that is made up of mostly unsaturated fats.
False unlike the outer core the inner core is made out of mostly solid because it contains iron
