The brain is part of the central nervous system
Answer: D
Explanation:
The lipopolysaccharides are found in the outer membrane of Gram-negative bacteria. Lipopolysaccharide is complex molecule consisting of a lipid and chains of carbohydrates. They are also called endotoxin, they are the major component of the outer cell membrane. Sugars in the polysaccharide chains of endotoxin confer serologic specificity. They lplay a crucial role in bacteria resistance to antibiotics.
Liquids can evaporate at room temperature<span> and at an average air pressure. Evaporation happens when atoms or molecules release from the liquid and </span>turn into<span> a vapor. </span>