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SAT II Bio - Barrons Chapter 5- Life Functions

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Ingestion
Intake of nutrients.
Digestion
Enzymatic breakdown, hydrolysis, of food so it is small enough to be assimiliate by the body.
Respiration
Metabolic processes that produce energy (adenosine triphosphate) for all the life processes.
Transport
Distribution of molecules from one part of a cell to another from one cell to another.
Regulation
Ability to maintain internal stability, homeostasis.
Synthesis
Combining of small molecules or substances into larger, more complex ones.
Excretion
Removal of metabolic waste.
Egestion
Removal of undigested waste.
Reproduction
Ability to generate offspring.
Irritability
Ability to respond to stimuli.
Locomation
Moving from place to place (animal cells only).
Metabolism
Sum total of all the life functions.