Absorption - The process by which nutrient molecules pass through the wall of the digestive system into the blood, Smooth ER - That portion of the endoplasmic reticulum that is free of ribosomes., Rough ER - ER that is dotted with ribosomes, Catalysts - substances that speed up chemical reactions, RNA - single-stranded nucleic acid that contains the sugar ribose, DNA - deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information., Golgi body - A structure in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them and distributes them to other parts of the cell., Ribosomes - site of protein synthesis, Lysosomes - Uses chemicals to break down food and worn-out cell parts, Cell wall - A rigid structure that surrounds the cell membrane and provides support to the cell,

Basic Biology Terms

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