Term
light and electron microscope |
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Definition
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Term
magnification, resolution and contrast |
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Definition
three qualities in microscopes |
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Term
1. all living things are composed of 1 or more cells
2. cells are smallest unit of living organisms
3. new cells come from existing cells through cell division |
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Definition
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Term
Transmission Electron Microscopy |
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Definition
Microscopy in which a beam of electrons is transmitted through a chemically treated sample that has been hardened into a resin block and sliced into very thin sections. Stained with a heavy metal and adhered to a copper grid. The electrons that pass through form an image. |
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Term
Transmission Electron Microscope |
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Definition
Has the best resolution of any microscope. |
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Term
Scanning Electron Microscopy |
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Definition
Provides a 3-D image by using an electron beam to expose a sample coated with a thin layer of gold or palladium. The electrons that are scattered from the surface of the sample are detected and create the image. |
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Term
1. Matter 2. Energy 3. Organization 4. Information |
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Definition
Cell structure relies on what 4 things? |
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Term
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Definition
Simple structures that lack a nucleus. |
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Term
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Definition
Categories of Prokaryotes |
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Term
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Definition
Less common prokaryote that is usually found in extreme environments. |
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Term
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Definition
Most abundant prokaryote. Most are not harmful. |
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Term
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Definition
All other cells with a nucleus besides prokaryotes. |
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Term
1. Protists 2. Fungi 3. Plants 4. Animals |
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Definition
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Term
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Definition
Bacteria: Prokaryote or Eukaryote |
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Term
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Definition
Archaea: Prokaryote or Eukaryote |
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Term
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Definition
Fungi: Prokaryote or Eukaryote |
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Term
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Definition
Plants: Prokaryote or Eukaryote |
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Term
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Definition
Protists: Prokaryote or Eukaryote |
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Term
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Definition
Animals: Prokaryotes or Eukaryotes |
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Term
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Definition
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Term
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Definition
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Term
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Definition
Subcellular structure/compartment. |
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Term
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Definition
Outside organelles but inside PM. |
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Term
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Definition
Makes up 50% of cell volume |
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Term
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Definition
Breakdown of molecules into smaller components. |
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Term
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Definition
Synthesis (building up) of cellular molecules and macromolecules. |
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Term
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Definition
Process of polypeptide synthesis where gene information is translated/encoded into amino acid sequences. |
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Term
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Definition
Provides cell organization, shape and movement. |
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Term
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Definition
Network of 3 protein filaments. |
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Term
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Definition
Long hollow cylinders with dynamic instability (growing/shortening phases). Composed of tubulin. |
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Term
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Definition
The assembly of tubulin dimers creates a polarity in ________. |
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Term
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Definition
Where growth of a microtubule takes place. |
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Term
Positive and Negative Ends |
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Definition
Where shortening of a microtubule takes place. |
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Term
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Definition
Ropelike structure that function as tension bearing fibers that provide cell structure and stability. |
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Term
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Definition
More stable than microtubules and actin filaments. |
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Term
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Definition
Microfilaments -long thin fibers composed of 2 strands of actin monomers spiraled around each other. |
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Term
Actin Filaments/Mirofilaments |
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Definition
Thinnest of all Protein filaments. |
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Term
Actin Filaments/Microfilaments |
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Definition
Anchored in plasma membrane. |
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Term
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Definition
Protein filament found inside the nucleus. |
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Term
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Definition
Found in the centrosome/microtubule organizing center. |
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Term
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Definition
Use ATP to provide cell movement. |
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Term
ATP is hydrolized to cause hinge of motor protein to bend. |
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Definition
What causes motor proteins to move. |
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Term
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Definition
Domains of a motor protein. |
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Term
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Definition
Domain of motor protein where ATP binds and is hydrolized. |
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Term
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Definition
Part of motor protein that bends. |
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Term
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Definition
Part of motor protein that attaches to other proteins and cellular molecules. |
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Term
Motor proteins and cytoskeletal filaments. |
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Definition
Interact in Cilia and Flagella to produce movement. |
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Term
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Definition
Structure of microtubules, core of cilium/flagellum, the motor protein dynein, and linking proteins. |
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Term
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Definition
2 single central microtubules
9 doubled outer microtubules |
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Term
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Definition
In flagella/cilia, dyneins cause a bend at the _____ first then activate the microtubules in the direction of the ____ . |
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Term
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Definition
Organelle containing genes. |
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Term
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Definition
Double membrane structure that encloses the nucleus. |
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Term
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Definition
Form where the inner and outer nuclear membrane make contact with each other. |
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Term
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Definition
Provide a passageway for molecules going in and out of the nucleus. |
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Term
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Definition
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Term
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Definition
Chromosomes and filamentous network of proteins that fills the nucleus with lamins, which help organize the chromosomes. |
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Term
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Definition
Where ribosome assembly occurs. |
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Term
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Definition
Primary function is to protect, organize and express genes. |
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Term
Endoplasmic Reticulum (ER) |
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Definition
Complicated network of fluid-filled flattened tubes or cisternae. |
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Term
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Definition
Studded with ribosomes and involved in protein synthesis, sorting and glycosylation. |
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Term
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Definition
Attachment of carbohydrates to proteins and lipids. |
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Term
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Definition
Responsible for detoxification, carb metabolism, calcium balance, lipid synthesis and modification. Lacks ribosomes. |
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Term
Endoplasmic Reticulum (ER) |
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Definition
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Term
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Definition
Not continuous with the ER |
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Term
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Definition
In Eukaryotes, stack of flattened membrane-bound compartments. |
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Term
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Definition
Where vesicles originate. |
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Term
Secretion, processing, and protein sorting. |
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Definition
Overlapping functions of the Golgi |
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Term
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Definition
Transport materials between the stacks of the Golgi. |
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Term
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Definition
Organelles that contain acid hydrolases that perform hydrolysis. |
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Term
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Definition
Digest intracellular materials that are worn out through autophagosis. |
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Term
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Definition
Specialized compartments for storage, cell-volume regulation and degradation. |
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Term
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Definition
Provide storage and support in plants. |
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Term
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Definition
Organelle prominent in fungi, protists and plant cells. |
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Term
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Definition
In protists and white blood cells for degradation. |
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Term
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Definition
In protists for expelling excess water. |
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Term
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Definition
Provides a boundary between the cell and the extracellular environment. |
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Term
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Definition
Involved in membrane transport, cell signaling and cell adhesion. |
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Term
Semiautonomous Organelles |
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Definition
Organelles that grow and divide to reproduce themselves, but depend on other parts of the cell. |
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Term
Mitochondria, Chloroplasts and Peroxisomes |
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Definition
Types of semiautonomous organelles. |
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Term
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Definition
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Term
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Definition
Primary role of mitochondria. |
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Term
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Definition
Can generate heat in brown fat cells. |
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Term
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Definition
How many mitochondria does a cell contain? |
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Term
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Definition
Inner membrane of the mitochnodria fold in to form ______. |
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Term
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Definition
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Term
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Definition
Forms many flattened, fluid filled tubes that enclose a single compartment in chloroplast. |
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Term
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Definition
Stack of thylakoid membranes |
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Term
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Definition
Outside the thylakoid, but inside the inner membrane. |
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Term
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Definition
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Term
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Definition
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Term
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Definition
Give plants red, yellow and orange color. |
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Term
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Definition
Plastids that lack pigment |
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Term
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Definition
Leucoplasts that synthesize and store starches. |
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Term
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Definition
Organelle that catalzye certain chemical reactions, typically those that break down molecules by removing hydrogen or adding oxygen. |
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Term
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Definition
Contain an enzyme called catalase. |
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Term
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Definition
Enzyme that breaks down H2O2 without forming dangerous free radicals. |
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Term
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Definition
Includes everything inside the plasma membrane. |
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Term
Nucleus, nuclear envelope, endoplasmic reticulum, Golgi, lysosomes, vacuoles and plasma membrane |
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Definition
Parts of the Endomembrane System |
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Term
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Definition
Materials within the Nucleus are not part of the _____________. |
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Term
Endoplasmic Reticulum membrane |
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Definition
Outer membrane of the nuclear envelope is continuous with the _____________. |
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Term
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Definition
Semiautonomous Organelle that lacks a genomic component. |
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Term
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Definition
The ability to visualize a cellular structure based on how different it looks than adjacent structures. |
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Term
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Definition
The ratio between the size of an image produced by a microscope and its actual size. |
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Term
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Definition
The ability to observe two adjacent objects as distinct from one another. |
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Term
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Definition
Does not directly participate in translation. |
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Term
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Definition
Cilia and Flagella emanate from these structures. |
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Term
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Definition
Structural and motor proteins are not free to move relative to each other because of _______. |
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Term
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Definition
The motor protein that moves along the structural proteins in cilia and flagella. |
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Term
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Definition
Required to contract a skeletal muscle. |
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