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15 Cards in this Set

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Matter
Anything that occupies space and has mass. The "stuff" of the universe.
Covalent bonds
Chemical bond created by electron sharing betwen atoms
Gas
a state of matter that has no definite shape or volume
Atomic Number
The number of protons in an atom
Mitochondria
Cytoplasmic organelles responsible for ATP generation for cellular activities.
Hydrophobic
refers to molecules or portions of molecules, that interact only with non-polar molecules
Osmosis
Diffusion of a solvent through a selectively permeable membrane.
Hydrogen Bonds
Weak bond in which a hydrogen atom forms a bridge between two electron-hungry atoms. An important intramolecular bond.
Hydrophilic
refers to molecules, or portions of molecules that interact with water and charged particles.
Transcription
One of the two major steps in the transfer of genetic code information involving the transfer of information from a DNA gene's base sequence to the complentary base sequence of an mRNA molecule.
Solid
A state of matter that has definite shape and volume.
Acidic
low pH. A high concentration of hydrogen ions.
Compounds
substances composed of two or more different elements, the atoms of which are chemically united.
Liquid
a state of matter that has a definite volume, but no definite shape.
Akaline
high pH. low hydrogen ion concentration