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honors week 3

Week 3 Cells and Cell Specialization

QuestionAnswer
Cell smallest unit that can perform all the life processes
cell specialization ability of different cells to perform specific functions in a multicellular organism, such as protection, mobility and reproduction.
cell wall Provides structure for the cell. Only found in plant cells.
Chemical Signals hormones and neurotransmitters that send "messages" from one cell to another
Cytoplasm Fluid material inside the cell. Contains the structures of the cell.
Eukaryote complex cell that has nucleus and membrane bound organelles.
Hormones substance released by glands to produce change from within.
Nucleus organelle that houses the DNA of eukaryotic cells
Organelle subcellular structure that has a special function.
plasma membrane thin layer on the surface of all cells, consisting mainly of lipids and proteins.
Prokaryote a cell without a nucleus
Ribosome organelle on which proteins are synthesized.
Semi-permeable allows passage of only certain types of molecules
Cilia hair like organelles that line the surfaces of some cells that beat in rhythmic waves, providing locomotion
contractile vacuole found in many microorganisms that expand, filled with water and then empties contents to the exterior.
Flagella Whip-like tail that enables some organisms to move.
stem cells can divide (through mitosis) and differentiate into diverse specialized cell types
Differentiation The structural and functional divergence of cells as they become specialized during a multicellular organism's development; dependent on the control of gene expression.
Created by: nbctbio