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36 Cards in this Set
- Front
- Back
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Plasma membrane |
surrounds the cell and controls which substances move in and out |
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Cytoplasm |
Jelly like mixture of water, sugars, ions, and proteins Site of some or all of cell's metabolism |
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Organelle |
Structure that carries out a specialized metabolic function inside a cell |
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What do all cells start out life with? |
DNA |
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Which has a nucleus that contains DNA: Prokaryotic Cells or Eukaryotic Cells? |
Eukaryotic Cells |
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label cytoplasm, plasma membrane, and DNA in Nucleus |
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Cell membrane |
Mosaic of proteins and lipids that functions as a selectively permeable barrier separating an internal environment from an external one. |
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Fluid mosaic model |
a cell membrane can be considered a two dimensional fluid of mixed composition |
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Prokaryotes |
Domains bacteria and archaea |
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Ribosomes |
Organelle of protein synthesis |
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Cell wall |
semirigid but permeable structure that surrounds the plasma membrane of some cells |
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Pili |
Protein filaments used to help cells cling to or move across surfaces, or for plasmid transfer |
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Flagella |
Long, slender celluar structures used for mobility |
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Bio films |
community of different types of microorganisms living within a shared mass of slime |
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Label and state functions of each: Vesticles Nucleus Mitochondria Ribosomes Golgi bodies Rough and smooth ER |
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Nucleus |
Pores, receptors, and transport proteins int he nuclear envelope control the movement of molecules into and out of the nucleus |
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Nuclear Envelope |
A double membrane that constitutes the outer boundary of the nucleus |
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Endomembrane System |
-Series of interacting organelles between the nucleus and plasma membrane -Makes and modifies lipids and proteins -Recycles molecules and particles such as worn out cell parts -Inactivates toxins |
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Endoplasmic Reticulum |
A continous system of sacs and tubes that is an extension of the nuclear enevelope |
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Vesicle |
small, membrane- enclosed, saclike organelle Stores, transports, or degrades its contents |
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Vacuole |
A fluid filled organelle that isolates or disposes of wastes, debris, or toxic materials |
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Lysosomes |
Vesicle with enzymes for intracelluar digestion |
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Peroxisome |
Enzyme filled vesicle that breaks down amino acids, fatty acids, and toxic substances |
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Golgi Body |
Organelle that modifies polypeptides and lipids Sorts and packages the finished products into transport vesicles |
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Mitochondrion |
Double membraned organelle that produces ATP |
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Choloplast |
Organelle of photosynthesis |
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The cytoskeleton |
Dynamic system of protein filaments Supports, organizes, and moves eukaryotic cells and their internal structures |
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Microtubles |
Cytoskeleton elements involved in movement Hollow filaments of tubulin subunits |
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Microfilaments |
Reinforcing cytoskeletal elements Fibers of actin subunits |
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Intermidiate filaments |
Elements that lock cells and tissues together |
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Cilia |
Short, hairlike stuctures that project from the plasma membrane of some eukaryotic cells |
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Extracelluar matrix (ECM) |
Complex mixture of molecules secreted by cells Supports cells and tissues Functions in cell signaling |
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Cuticle |
Type of ECM secreted by cells at a body surface Found in plants and arthropods |
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Tight junction |
Array of fibrous proteins that joins epithelial cells and prevents fluids form leaking between them |
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Adhering junction |
Anchors cells to each toher or to the extracelluar matrix |
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Gap Junction |
Channel across plasma membranes of adjoining cells |
