bio 1201 midterm QUESTIONS AND ANSWERS
Selective Permeability
What the plasma membrane exhibits, which allows some substances to cross the plasma membrane more easily than others.
Amphipathic
A molecule that has both a hydrophobic and hydrophilic region.
Metabolism
the totality of an o...
Selective Permeability
What the plasma membrane exhibits, which allows some substances to cross the
plasma membrane more easily than others.
Amphipathic
A molecule that has both a hydrophobic and hydrophilic region.
Metabolism
the totality of an organism's chemical reactions
metabolic pathway
Fermentation
a partial degradation of sugars or other organic fuel that occurs without the use of
oxygen
Aerobic respiration
oxygen is consumed as a reactant along with the organic fuel
Cellular respiration
includes both aerobic and anaerobic processes. ( Organic compounds + Oxygen ->
carbon dioxide + Water + Energy
Redox reactions
a transfer of one or more electrons from one reactant to another (oxidation-reduction
reactions)
Oxidation
the loss of electrons from one substance
Reduction
the addition of electrons to another substance
Reducing agent
the electron donor
Oxidizing agent
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