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Definitions of Cell organelles
Terms in this set (31)
covers a cell's surface and acts as a barrier between the insie and the outside of a cell.
the region of the cell that is within the plasma membrane and that includes the fluid, the cytoskeleton, and all of the organelles except the nucleus
the part of the cytoplasm that includes molecules and small particles, such as ribosomes, but not membrane-bound organelles
a part of the cell containing DNA and RNA and responsible for growth and reproduction
organisms that lack a membrane-bound nucleus and membrane-bound organelles.
organisms made up of one or more cells that have a nucleus and membrane-cound organelles
well definied, intracellular bodies that perform specific functions for the cell.
a group of similar cells and their products that carry out a specific function
groups of tissues that perform a particular job in an organism
a grouop of organs that accopmlish related tasks
a double layer of phospholipids that makes up plasma and organelle membranes.
threadlike structure within the nucleus containing the genetic information that is passed from one generation of cells to the next
a double membrane that surrounds the nucleus
the site where DNA is concentrated when it is in the process of making ribosomal RNA.
organelles made of protein and RNA that direct protein synthesis in the cytoplasm.
tiny organelles that transfer energy from organisc molecules to adenosine triphosphate.
a system of membranous tubes and sacs (cisternae)
stack of membranes in the cell that modifies, sorts, and packages proteins from the endoplasmic reticulum
vesicles that bud from the Golgi apparatus and that contain digestive enyzmes.
a network of thin tubes and filaments that crisscrosses the cytosol.
hollow tubes made of a protein called tubulin.
long threads of the beadlike protein atin and are linked end to end and wrapped around each other like two strands of a rope.
hairlike structures that extend from the surface of the cell, where they assist in movement. they are short and are present in large numbers
hairlike structures that extend from the surface of the cell, where they assist in movement. they are longer and are far less numerous on the cells where they occur.
consist of two short cylinders of microtubules at right angles to each other and are situated in the cytoplasm near the nuclear envelope.
a rigid layer that lies outside the cell's plasma membrane.
a large, fluid-filled organelle that stores not only water but also enzymes, metabolic wastes, and other materials.
organelles that are surrounded by a double membrane and contain their own DNA.
they use light energy to make carbs from carbon dioxide and water.
a system of falttened, membranous sacs contained within a chloroplast
a green pigment that is the main molecule that absorbs light and captures light energy for the cell.
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Cell Organelle definitions
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