Yes, the cell membrane regulates what enters the cell and leaves the cell. The cell membrane is a fluid mosaic consisting of a phospholipid bilayer and integral and peripheral proteins. The proteins of the membrane serve many purposes: transport, receptors, etc. The cell membrane is amphipathic, meaning is has hydrophilic and hydrophobic regions.
Warm air rises and cool air moves in to take over the warm rising air.
Answer:
Identify how the physical barriers of the immune system protect the body against pathogens?
skin contains tightly packed cells
•skin is tough, flexible, and waterproof
Explanation:
Answer:
Mirror and Lens
Explanation:
Refracting telescopes use lenses to focus the light, and reflecting telescopes use mirrors
The answer is Succession. It is the gradual sequential regrowth of a community of species after a forest fire. Particularly, Secondary Succession, which is the sequential replacement of species that follows disruption of an existing community (natural disaster or forest fire)