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Life Processes

QuestionAnswer
what are the life processes? Metabolism, Responsiveness, Movement, Growth, Differentiation, and reproduction
what is the definition of Metabolism? sum of all chemical processes in body; break down of large complex molecules into smaller simpler ones; combining of smaller molecules for building larger structures.
what is the definition of Responsiveness? body's ability to detect and respond to changes in its internal or external environment.
what is the definition of Movement? includes motion of the whole body, individual organs, single cells, and even organelles inside cells.
what is the definition of Growth? and increase in body size.
what is the definition of Differentiation? Process by which unspecialized cells become specialized cells.
what is the definition of Reproduction? refers to either the formation of new cells, or the production of a new individual.
give a example of metabolism. proteins broken down into amino acids, stored, recombined into proteins as a body needs them.
give a example of responsiveness. nerve cells respond to change by generating nerve impulses; muscles respond to nerve impulses by contracting; endocrine cells in pancreas respond to an elevated blood glucose level by secreting insulin.
what is a example of movement in the body? the gallbladder contracts and squirts bile into the small intestine to break down fats.
what are the three increases of growth? 1. increase in the size of cell, 2. increase in the number of cells, 3. increase in the amount of material surrounding cells
give an example of differentiation. Red blood cells and several types of white blood cells both come from the same unspecialized precursor cells in bone marrow (stem cells).
Created by: Mbrockus
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