cell membrane - protects cell; controls what enters and exits cell, cell wall - protects plant cell; maintains shape, chloroplast - organelle in plant cell; captures sunlight for photosynthesis, cytoplasm - jelly-like substance that supports organelles in cell, nucleus - control center of the cell; contains DNA, endoplasmic reticulum - transports materials throughout the cell, golgi bodies - packages and modifies proteins for transport, lysosome - digests waste in cell, mitochondria - powerhouse of the cell; converts glucose into ATP energy, multicellular - made of many cells, ribosomes - produce proteins, vacuole - storage of nutrients and water, unicellular - made of only one cell, active transport - moving materials across the cell membrane by using ATP energy, diffusion - movement of substances from high concentration to low concentration in order to create equilibrium, equilibrium - equal amount of substances on either side, osmosis - movement of water molecules across a semi-permeable membrane from an area of high concentration to an area of low concentration in order to create equilibrium, selectively permeable - allows some substance through; does not let other substances through, passive transport - movement of substances across a membrane without the use of energy, chlorophyll - green pigment that captures sunlight for photosynthesis, photosynthesis - converting sunlight into glucose, respiration - converting glucose into ATP energy, cancer - disease of abnormal cell divison, cell division - process by which a cell duplicates, chromosome - tightly coiled segment of DNA; humans have 46, DNA - deoxyribonucleic acid; genetic blue print, gene - segment of DNA that codes for a certain trait, mitosis - division of the nucleus; part of cell division, repair - to fix or mend, reproduction - offspring produced by parent(s),

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