Chapter 3 Flashcards
energy
the capacity to do work
potential energy
energy stored
kinetic energy
energy of motion
metabolism
collective term for all biochemical reactions in living organisms
chemical reactions
whenever chemical bonds form or break
reactants
starting substance
products
substances which results from the chemical reaction
matter is not created nor destroyed
every atom present in the reactant must also be present in the product
example
2H2 + O2—> 2H2O
decomposition
breaks down molecules into smaller units
hydrolysis
decomposition reaction using water
catabolism
all decomposition reactions in the body
synthesis
assembles larger molecules from smaller ones
dehydration synthesis
formation of complex molecules by removing water
anabolism
all synthesis reactions in the body
exchange
parts of the reacting molecules are moved around to create new products