Red blood cells carry oxygen around the body. These specialized cells are outfitted with the substance hemoglobin, which is a protein, and is the actual oxygen carrying molecule on the cell. The cell has a unique shape that allows it to carry as much oxygen molecules as possible. Red blood cells also transport carbon dioxide away from cells and back to the lungs where the cells are then re-oxygenated.
Answer:
Explanation:
Osmosis is a passive process and happens without any expenditure of energy. It involves the movement of molecules from a region of higher concentration to lower concentration until the concentrations become equal on either side of the membrane. Any solvent can undergo the process of osmosis including gases and supercritical liquids.
Answer:
Matution include changes as small as the substitution of a single DNA building block, nucleotide base, with another nucleotide base.... Other matutions result in abnormal protein product.
Liquid 1 and 4, because they have the same melting point and density.
