Chapter 3
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Most cells are composed of the following four elements | show 🗑
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Cells | show 🗑
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Anatomy of the Cell | show 🗑
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show | Control center of the cell; contains genetic material, DNA
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The Nucleus anatomy | show 🗑
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show | Barrier of the nucleus; Consists of a double membrane, contains nuclear pores that allow for exchange of material with the rest of the cell
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show | Nucleus contains one or more nucleoli
Sites of ribosome assembly
Ribosomes migrate into the cytoplasm through nuclear pores
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Chromatin | show 🗑
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Plasma Membrane | show 🗑
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Cytoplasm | show 🗑
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show | Fluid that suspends other elements
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Organelles | show 🗑
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Inclusions | show 🗑
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show | Mitochondria,Ribosomes, Endoplasmic reticulum Smooth and Rough, Lysosomes,Peroxisomes, Centrioles, Golgi apparatus,
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show | “Powerhouses” of the cell
Change shape continuously
Carry out reactions where oxygen is used to break down food
Provides ATP for cellular energy
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show | Made of protein and RNA
Sites of protein synthesis
Found at two locations
Free in the cytoplasm
As part of the rough endoplasmic reticulum
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show | Fluid-filled tubules or canals (cisterns) for carrying substances. Accounts for half of the cells membranes.
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show | Rough endoplasmic reticulum
Smooth endoplasmic reticulum
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show | Studded with ribosomes
Synthesizes and exports protein
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show | metabolizes lipid, cholesterol and detoxification of drugs and pesticides
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show | Contain enzymes produced by ribosomes
Packaged by the Golgi apparatus
Digest worn-out or non usable materials within the cell
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show | Membranous sacs of oxidase enzymes
Detoxify harmful substances such as alcohol and formaldehyde
Break down free radicals (highly reactive chemicals)
Replicate by pinching in half
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Centrioles | show 🗑
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Golgi apparatus | show 🗑
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show | containing membrane components fuses with the plasma membrane
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Lysosome fuses | show 🗑
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Golgi vesicle containing digestive enzymes becomes a | show 🗑
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Cellular Projections:Not found in all cells | show 🗑
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Cilia | show 🗑
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Flagella | show 🗑
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Microvilli | show 🗑
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Epithelial cells | show 🗑
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Epithelial cells anatomy | show 🗑
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show | Nuclei
Smooth muscle cells
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Skeletal muscle cell | show 🗑
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show | Lipid droplet
Nucleus
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Fat cell | show 🗑
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Macrophage | show 🗑
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Macrophage | show 🗑
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show | Rough ER, Nucleus
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Nerve cell | show 🗑
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neuroglia | show 🗑
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Cell of reproduction | show 🗑
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show | Nucleus, Flagellum
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show | homogeneous mixture of two or more components
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show | dissolving medium; typically water in the bod
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show | nucleoplasm and cytosol
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show | fluid on the exterior of the cell
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show | The plasma membrane allows some materials to pass while excluding others.
This permeability influences movement both into and out of the cell.
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Membrane Transport: Two basic methods of transport | show 🗑
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show | No energy is required
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Active processes | show 🗑
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show | Particles tend to distribute themselves evenly within a solution
Movement is from high concentration to low concentration, or down a concentration gradient
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Passive Processes Types of diffusion | show 🗑
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Simple diffusion | show 🗑
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show | simple diffusion of water
Highly polar water molecules easily cross the plasma membrane through aquaporins
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show | Substances require a protein carrier for passive transport
Transports lipid-insoluble and large substances
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Passive Processes | show 🗑
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show | Substances may be too lg,
Substances may not be able to dissolve in the fat core of the membrane, Substances may have to move against a concentration gradient
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show | Active transport (solute pumping)
Vesicular transport
Exocytosis
Endocytosis
Phagocytosis
Pinocytosis
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show | ATP is used for transport
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show | Stratified
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show | Lysosomes
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the portion of the cells life cycle that does not involve cell division is known as | show 🗑
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Which type of tissue conducts electrochemical impulses | show 🗑
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the molecule that carries an amino acid to the ribosome for incorporation into a protein is | show 🗑
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Fat is best described as | show 🗑
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show | Thymine
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show | Endocrine
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show | Cytosine
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show | Smooth mucles
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show | Simple Squamous
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Type of active process in which the cell secrets vesicles | show 🗑
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Organelle that captures energy to produce ATP | show 🗑
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show | Cardiac
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Organelle that package substances for release from cell | show 🗑
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Aide Protein Synthesis | show 🗑
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Type of passive process in which water is moved through aquapororins | show 🗑
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list the 4 major tissue types | show 🗑
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the phases of Mitosis in order | show 🗑
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show | Has all essential material for building in the cell and assembles it it is considered the factory of the cell
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show | elaborated network of protein structures extends throughout the cytoplasm; acts like bones and muscle for cell shape and support of organelles
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