FINAL A&P 1
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ionic bonds are the result of ______.
it is the desire of electrons to _______ that is the basis of all chemical reactions.
complete their outer energy orbits
a covalent bond is _______.
two atoms sharing a pair of electrons
a hydrogen bond is _______.
attraction between two polar molecules
an atom that has gained or lost an electron is a ______.
substances that don't dissolve in water are called _______.
a 1 molar solution of glucose (molecular weight 180) has how many grams of glucose per liter?
an acid is a molecule that gives up _____ in solution.
the energy derived from the random collision of molecules that allows exergonic reactions to proceed is the _______.
energy of activation
what of the following is not a part of a nucleotide?
the hand-rails of DNA are made of sugars linked together by ______.
the major component of the cell membrane is _______.
channels that transport substances against their concentration gradients are called ______.
protein channels that open after binding to a chemical messenger
protein channels that open after physical pressure on the protein
protein channels that open after a change in the membrane's electrical potential
FINAL A&P 1