Of the important biological molecules only the non-polar lipids (fats and oils) and large polymers (e.g. polysaccharides, large proteins and DNA) do not dissolve. The water acts as a solvent for chemical reactions and also helps transport dissolved
Lithium has five isotopes, and each will have different notation. Lithium-7 is commonly used in salt and nuclear reactors. .ZAX , where X is the atomic symbol for the element, here Li for lithium, Z is the mass number, or the total number of protons and neutrons, and A is the atomic number, or the number of protons
Answer:
Higher levels of organization are built from lower levels.
Molecules combine to form cells.
Cells combine to form tissues.
Tissues combine to form organs.
Organs combine to form organ systems,
and organ systems combine to form organisms.
Explanation:
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