Examlex
Earth and the Moon could not have condensed from the same materials because they have different densities and compositions.
Cells
The basic structural, functional, and biological units of all known living organisms, acting as the building blocks of life.
Vitamins
Organic compounds that are necessary in small amounts for the body to maintain health, usually obtained from food, as most cannot be synthesized by the body.
Coenzymes
Non-protein chemical compounds that bind to an enzyme and help it to catalyze a reaction.
Reversible Inhibitor
A substance that forms weak bonds with an enzyme, temporarily interfering with its function; a reversible inhibitor is either competitive or noncompetitive. Compare with irreversible inhibitor.
Q15: _ asteroids are located in the orbit
Q40: If the galaxy shown above has a
Q45: The disk of the Milky Way is
Q47: The Viking landers searched for life on
Q63: The Roche limit is the<br>A)distance from the
Q66: Henrietta Leavitt discovered the period-luminosity relationship for
Q97: What observational evidence supports the fact that
Q107: Why does the average chemical composition of
Q115: Which moon of Neptune has a thin
Q135: Function of carbohydrates<br>A)Tissue repair<br>B)Medium for metabolism<br>C)Preferred and