Exam 2
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Metabolic reactions involve the transfer of electrons from an electron donor(oxidized) to an electron acceptor(reduced).
Oxidation-reduction reactions
Reactions in which electrons are accepted
reduction reactions
Reactions in which electrons are donated
Oxidation reactions
A molecule may be oxidized in one of three ways
by losing a simple electron, by losing a hydrogen atom, or by gaining an oxygen atom.
Involve the loss of hydrogen atoms; such reactions are also called dehydrogenation reactions
Biological oxidations
Three important electron carrier molecules that are important vitamin-derived electron carrier molecules
nicotinamide adenine dinucleotide (NAD+), nicotinamide adenine dinucleotide phosphate (NADP+), and flavin adenine dinucleotide (FAD).
The ability of organisms to take in nutrients from outside themselves and use those nutrients in a series of controlled chemical reactions to provide energy and structures needed to grow, reproduce,and respond.
metabolism
How do cells store metabolic energy
in chemical bonds of ATP