Term
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Definition
| Cell Membrane, Nucleus, Cytoplasm |
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Term
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Definition
-Composed of mostly lipids, proteins, and carbohydrates
-Lipid Bilayer makes frame work
-The phosopholipids in the bilayer have hydrophilic heads and hydrophobic tails |
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Term
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Definition
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Term
| 3 types of cellular junction |
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Definition
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Term
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Definition
| Fusing of of cell membranes |
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Term
| Define Desmosome Junction |
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Definition
| When the cell membranes are occasionally fused |
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Term
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Definition
When cells are connected by tubular channels. Cytoplasm is connected between adjacent cells.
-found in cardiac and smooth muscle cells |
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Term
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Definition
| -Consists of liquid called cytosol, cellular organelles, membranes, protein rods, tubules |
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Term
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Definition
-consists of sacs, canals, and fluid filled vesicles
-widely distributed within the cytoplasm
-the transport molecules within the cells
-associated with protein synthesis |
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Term
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Definition
-consists of protein and RNA
-associated with protein synthesis |
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Definition
-consists of sacs called cisternae
-packages and helps deliver protein within the cell |
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Term
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Definition
-Can divide and produce new mitochondria
-contains DNA and RNA
-two layered membrane
-inner membrane is folded to make cristae
-Converts glucose into Adenosine Triphosphate |
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Term
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Definition
-Appear as small sacs
-Garbage disposals
-Break down fats, proteins, carbohydrates, etc
-destroy old cells and dead cells |
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Term
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Definition
-Contain peroxidases
-Peroxisomes produce catalase to decompose h2o2
-peroxidases are used to produce bile, break down fatty acids, detoxify alcohol, degrade toxic chemicals |
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Term
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Definition
-Consists of hollow cylinders called centrioles
-Centrioles consist of tubular proteins and microtubules
-also make part of cilia or flagella |
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Term
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Definition
| -Mobile extensions of certain cells |
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Term
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Definition
-Membranous sac structures
-Store and transport various substances |
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Term
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Definition
-Composed of small rods of protein called ACTIN
-Associated with cellular movement/contraction |
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Term
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Definition
-Composed of TUBULIN proteins
-form cytoskeleton
-may transport molecules within the cell |
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Term
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Definition
-Controls Cell Funtions
-Enclosed within a double layered membrane(nuclear envelope)
-The membrane is a lipid bilayer
-Membrane contains a nuclear pore, passages between the nucleoplasm and cytoplasm |
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Term
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Definition
-Produces RIBOSOMES
-Composed of RNA and proteins |
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Term
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Definition
-loosely coiled fibers
-composed of DNA
-Makes Chromosomes |
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Term
| Movements Into and Out of the Cell |
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Definition
-Movements can be passive or active
-Passive (Diffusion, facilitated diffusion, osmosis, filtration)
-Active (Active Transport, Endocytosis, Exocytosis) |
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Term
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Definition
| movement of molecules from higher to lower concentration |
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Term
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Definition
| When transport proteins of the cell membrane are used for the process |
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Term
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Definition
| Movement of water molecules from the area of higher to lower concentrations |
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Term
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Definition
| movement against concentration gradient |
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Term
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Definition
Molecules too large for active transport
-Pinocytosis (cells intake fluid substances)
-Phagocytosis (When cells intake solids)
-Receptor Mediated Endocytosis (When selective carrier proteins are used for the process |
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Term
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Definition
Opposite to endocytosis
-cells export substances by this process |
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Term
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Definition
-combination of exo and endocytosis
-molecules move through a cell barrier |
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Term
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Definition
Mitosis - (Prophase, Metaphase, Anaphase, Telophase)
Interphase - G1, S phase, G2 |
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Term
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Definition
-Centrioles move to opposite poles
-Nuclear Envelope and Nucleolus disappear
-Spindle fibers arrange between the 2 centrioles |
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Term
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Definition
-chromosomes line up in the middle
-they are attached to spindle fiber by centromere |
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Term
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Definition
Centromeres break up
chromosomes move to opposite poles |
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Term
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Definition
| Nuclear membrane and nucleolus re appear |
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Term
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Definition
-happens at the same time as telophase
- splitting of the cytoplasm |
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Term
| Factors that regulate cell division |
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Definition
| Proteins, cell size, hormones |
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