3053748
Description
Flashcards by mitzigolsorkhi, updated more than 1 year ago
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Created by mitzigolsorkhi
almost 9 years ago
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| Question | Answer |
| Nucleus... | - STRUCTURE: contains chromosomes, surrounded by a nuclear envelope with nuclear pores. Contains the nucleolus - FUNCTION: DNA on the chromosomes controls the cell, by controlling protein synthesis |
| Nucleolus... | - STRUCTURE: Darker staining area inside within the nucleus - FUNCTION: Site of synthesis of rRNA (ribosomal RNA) |
| Cell membrane... | - STRUCTURE: a phospholipid bilayer, with associated proteins. It surrounds the whole cell - FUNCTION: Controls movement of substances in and out of the cell |
| Ribosomes... | - STRUCTURE: Small particles, containing protein and RNA - FUNCTION: Protein synthesis |
| Rough endoplasmic reticulum | - STRUCTURE: Membrane systems with associated ribosomes. They run through the cytoplasm and form flattened sacs - FUNCTION: Synthesis and transport of proteins within the cell |
| Smooth endoplasmic reticulum | - STRUCTURE: Membrane systems without ribosomes, forming sacs and tubules - FUNCTION: Synthesis and transport of lipids and steroids |
| Golgi... | - STRUCTURE: A dense system of membranes and sacs with associated vesicles - FUNCTION: Site of modification of proteins + packaging them into vesicles or formation of lysosomes |
| Lysosomes... | - STRUCTURE: Membrane bound compartments, containing hydrolytic enzymes FUNCTION: Digestion and destruction of worn-out organelles or particles taken into the cell by phagocytosis |
| Mitochondria... | STRUCTURE: Rod shaped structures, surrounded by a double membrane, the inner membrane is folded into cristae FUNCTION: Site of aerobic respiration: krebs cycle and oxidative phosphorylation |
| Centrioles... | STRUCTURE: Cylindrical structures formed from 9 groups of protein microtubules FUNCTION: Not clear... associated w the organisation of the spindle during cell division |
| Cytoplasmic matrix... | - STRUCTURE: Background material of the cell cytoplasm. mostly water, containing proteins, ions Na+, K+, Cl- and other solutes -FUNCTION: Chemical reactions happen here |
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