Answer:
It's B - How much water is used to produce one paper bag?
We would not be able to live without it! It sustains life as we know it!
Answer:
b.Movement of phospholipids in the plasma membrane from one monolayer to the other requires the polar or charged head groupd to enter the hydrophobic interior of the lipid bilayer. This process requires a large positive change in free-energy, thus making this type of movement unlikely without an input of energy
The plasma membrane serves a protective function for the cell and is a selective membrane for particles entry
Well, the leaves contain stomates, which let in CO2 and release O2. The roots collect water, which travel up the xylem, which are contained in the stem.
B- Anemia reduces the amount of oxygen reaching body cells and can be passed on through DNA.
