A fume hood is use to prevent a person from exposure to hazardousfumes from chemicals.
The cell membrane separates the intracellular environment from the extracellular environment outside of the cell. A phospholipid is composed of a phosphate group and a lipid. It is composed of a hydrophilic, polar phosphate head and two hydrophobic fatty acid tails.
The structure of the bilayer is such that the tails are shielded from contact with water, creating a selectively-permeable barrier which will be impermeable to most hydrophilic molecules.
So, the answer is A) To maintain balance of water and nutrients in the cell.
Answer:
The Understanding. Global Change model is only one way to show the interactions of. Earth's systems
Explanation:
<span>Stage IV of iron poisoning is normally indicated by liver failure (yellowish pigmentation of the skin and eyes), high blood sugar levels, confusion and nausea and the development of a coma</span>
Answer: the three objects are not always in exactly the same plane
Explanation: the diagram shows two dimensions. There is also variation in the third dimension. The Moon’s orbit is tilted relative to the sun earth plane
