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46 Cards in this Set
- Front
- Back
- 3rd side (hint)
Carry out chemical activities needed to sustain life |
Cells and Tissuse |
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Building blocks of all living things |
Cells |
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Are group of cells that are similar in structure and function |
Tissue |
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Three main regions |
Plasma Membrane Cytoplasm Nucleus |
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Control center of the cell |
The nucleus |
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Three regions of nucleus |
Nuclear membrane Nucleolus Chromatin |
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Barrier of nucleus |
Nuclear Membrane |
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Sites of ribosome production |
Nucleoli |
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Composed of DNA and Proteins Condensed to form chromosomes when the cell divides |
Chromatin |
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Barrier for cell contents |
Plasma membrane |
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Finger like projections that increase surface are for absorption |
Microvilli |
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Material outside the nucleus and inside the membrane |
Cytoplasms |
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Fluid that suspends other elements |
Cytosol |
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Metabolic machinery of the cell |
Organelles |
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Non-functioning of the cell |
Inclusions |
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Made of protein and RNA Sites of protein synthesis |
Ribosomes |
Attached to rough endoplasmic reticulum |
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What are the two types of ER |
Rough Endoplasmic Reticulum Smooth Endoplasmic Reticulum |
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Studded with ribosomes Site where building materials of cellular membrane are formed |
Rough endoplasmic reticulum |
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Functions in cholesterol synthesis and breakdown fat metabolism and detoxification of drugs |
Smooth endoplasmic reticulum |
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Modifies and packages proteins |
Golgi Apparatus |
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Contains enzymes that digest materials within the cell |
Lysosomes |
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Membranous sacs of oxidase enzymes |
Peroxisomes |
Detoxify harmful substance Break down free radicals |
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Powerhouse of the cell |
Mitochondria |
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Network of protein structures that extend throughout the cytoplasm. |
Cytoskeleton |
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Rod-shaped bodies make of microtubules |
Centrioles |
Direct formation of mitotic spindle during cell diversion |
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Not found in all cells |
Cellular Projections |
Used for movements |
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Movement of substance into and out of the cell |
Membrane Transport |
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No energy is required |
Passive Transport |
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The cell must provide metabolic energy |
Active Transport |
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Homogeneous mixture of two or more components |
Solution |
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Dissolving medium |
Solvent |
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Smaller quantities within a solution |
Solutes |
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Nucleoplasm and cytosol |
Intracellular Fluid |
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Fluid on the exterior of the cell |
Interstitial Fluid |
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The plasma membrane allows some materials to pass while excluding others |
Seductive permeability |
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Particles tend to distribute themselves evenly within solution |
Diffusion |
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Unassisted process |
Simple Diffusion |
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Simple diffusion of water |
Osmosis |
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Substance require a protein carrier for passive transport |
Facilitated diffusion |
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Water and solutes are forced through a membrane by fluid, hydrostatic pressure |
Filtration |
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Amino acids, some sugars and ions are transported by solute pumps |
Solute Pumping |
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Moves materials out of the cell Material is carried in a membranous vesicle |
Exocytosis |
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Extracellular substance are engulfed by being enclosed in a membranous vesicle |
Endocytosis |
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What are the two major periods of cell cycle |
Interphase Cell division |
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Cell grows Cell carries on metabolic processes |
Interphase |
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Cell replicates itself |
Cell division |
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