Cells and Anatomy
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Plasmalemma | Isolates; protects; is sensitive; supports; control of entrance/exit of materials
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| Cytosol | Distributes materials by diffusion; stores glycogen, pigments and other materials
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| Cytoskeleton | Strength and support; movement of cellular structures and materials
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| Microvilli | Increase surface area to facilitate absorption of extracellular materials
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| Centrosome | Essential for movement of chromosomes during cell division; organisation of microtubules in cytoskeleton
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| Cilia | Movement of materials over cell surface
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| Ribosomes | Protein synthesis
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| Mitochondria | Produce 95% of ATP required by the cell
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| Nucleus | Control of metabolism; storage and processing of genetic info; control of protein synthesis
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| Nucleolus | Site of rRNA synthesis and assembly of ribosomal subunits
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| Rough ER | Modification and packaging of newly synthesized proteins
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| Smooth ER | Lipid, steroid, and carbohydrate synthesis; calcium ion storage
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| Golgi Apparatus | Storage, alteration and packaging of secretory products and lysosomal enzymes
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| Lysosome | Intracellular removal of damaged organelles of of pathogens
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| Peroxisome | Catabolism of fats and other organic compounds; neutralization of toxic compounds generated in the process
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| Facilitated diffusion | Carrier molecules transport materials down a concentration gradient
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| Osmosis | Movement of water molecules toward high solute concentrations; requires membrane
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| Diffusion | Molecular movement of solutes; direction determined by relative concentrations
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| Active transport | Carrier molecules work despite opposing concentration gradients
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| Endocytosis | Formation of membranous vesicles containing fluid or solid material at the plasmalemma
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| Exocytosis | Fusion of vesicles containing fluids and/or solids with the plasmalemma
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| Integumentary system | protection from environmental hazards, temperature control
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| Skeletal system | Support, protection of soft tissues; mineral storage; blood formation
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| Muscular system | Locomotion, support, heat production
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| Nervous system | Directing immediate responses to stimuli, usually by coordinating the activities of other organ systems
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| Endocrine system | Directing long-term changes in the activities of other organ systems
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| Cardiovascular system | Internal transport of cells and dissolved materials, including nutrients, wastes and gases
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| Lymphoid system | Defense against infection and disease
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| Respiratory system | Delivery of air to sites where gas exchange can occur between the air and circulating blood
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| Digestive system | Processing of food and absorption of organic nutrients, minerals, vitamins, and water
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| Urinary system | Elimination of excess water, salts and waste products; control of pH
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| Reproductive system | Production of sex cells and hormones
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| Homeostasis | Maintenance of a stable environment
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| Positive feedback | Increases the intensity of the change or magnifies the change
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| Negative feedback | Returns the change variable back to normal levels
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
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