What are the four main elements that make up 96% of body weight?
carbon, oxygen, hydrogen, and
What cannot be broken down into simpler substances by ordinary chemical means?
Energy is easily converted from one form to another during _ so
Plasma What helps maintain boundaries at the cellular level?
What helps maintain boundaries at the organsimal level?
Urinary and Respiratory Systems
Metabolic wastes are eliminated by the.
Digestive and Respiratory Systems
_ & _ are in contact with t
The difference in the concentration of a substance from one side of a membrane to the other is called
the concentration _. Gradient
Digestive organelle within the cell.
Structural and functional unit of living organisms
Last phase of mitosis
Term used for a lipid that has no double bonds or fully hydrogenated.
Organic co-factors that are usually vitamins or vitamin derivatives.
Proteins are made up of _ _building blocks.
Organic chemistry is the chemistry of the