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15 Cards in this Set
- Front
- Back
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What is a cell membrane?
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-outside covering of the cell
-protects cell -has pores -allows things in and out -has receptor proteins(atenna) |
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What is cytoplasm?
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-contains mostly enzymes
-most of cellular metabolism occurs here -the "jelly like" substance in which all other organelles float |
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What is the Nucleus?
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-has membrane called nuclear membrane
-nuclear membrane contians pores -communicates with surrounding cytosol |
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What is DNA?
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-in nucleus
-contains genetic info -passed orignally from aprents |
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What is the Nucleolus?
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-in nucleus
-produces ribosomes |
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What are Chloroplasts?
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-site of photosynthesis
-green chemical which gives chloroplasts their color |
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What are Mitochondria?
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-use oxygen to produce energy(ATP)
-very abundant in cells -require lots of energy |
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What are Vacuoles?
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-act as container
-single membrane surrounding soulid or liquid contents -contain diff. substances(food,water,sugar) |
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What is the Endoplasmic Reticulum?
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-network of canals extended from cell membrane through cytoplasm to nuclear membrane
-two kinds (rough, smooth) -transport materials -smooth ER has NO ribosomes |
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What are Ribosomes?
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-small dot-like
-form rough e.r -site of protein photosynthesis -made of RNA |
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What is the Golgi Body?
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-"shipping" department
-modification of lipids and proteins -package materials for export from cell |
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What are vesicles?
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-shipping containers within cells
-package liquids containing wide variety of substances -carry to other parts of cell -liquid filled sac |
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What are lysosomes?
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-sacs containing digestive enzymes
-used to breakdown complex macromolecules -digest substances brought into cell -liquid filled sac |
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What are centrioles?
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-function in cell division
-not found in plants cells -come in pairs -part of reproduction |
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What is the cytoskeleton?
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-helps maintain cell shap
-movement of cell organelles within cell |
