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7.1 & 7.2 CP Bio

CP Vocab for 7.1 and 7.2

Cell Basic unit of all forms of life.
Cell Theory Fundamental concept of biology that states all living things are composed of cells; that cells are the basic units of structure and function in living things; and that new cells are produced from existing cell.
Cell Membrane Thin, flexible barrier that surrounds all cells; regulates what enters and leaves the cell.
Nucleus The center of an atom, which contains the protons and neutrons; in cells, structure that contains the cell's genetic material in the form of DNA.
Eukaryote Organism whose cells contain a nucleus.
Prokaryote Unicellular organism that lacks a nucleus.
Cytoplasm In eukaryotic cells, all cellular contents outside the nucleus, in prokaryotic cells, all of the cell's contents.
Organelle Specialized structure that performs important cellular functions within a cell.
Vacuole Cell organelle that stores materials such as water, salts, proteins, and carbohydrates.
Lysosome Cell organism that breaks down lipids, carbohydrates, and proteins into smaller molecules that can be used by the rest of the cell.
Cytoskeleton Network of protein filaments in a eukaryotic cell that gives the cell its shape and internal organization and is involved in movement.
Centriole Structure in an animal cell that helps to organize cell division.
Ribosome Cell organelle consisting of RNA and protein found throughout the cytoplasm in a cell, the site of protein synthesis.
Endoplasmic Reticulum (ER) Internal membrane system found in eukaryotic cells; place where lipid components of the cell membrane are assembled.
Golgi Apparatus Organelle in cells that modifies, sorts, and packages proteins and other materials from the endoplasmic reticulum for storage in the cell or release outside the cell.
Chloroplast Organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy.
Cell Wall Strong, supporting layer around the cell membrane in some cells.
Selectively Permeable Property of biological membranes that allows some substances to pass across it while others cannot; also called semipermeable membrane.
Mitochondria Cell organelle that converts the chemical energy stored in food into compounds that are more convenient for the cell to use.
Created by: brookebialob