Vocabulary Quiz 2
Terms
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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