Eukaryotic Cell Structure and Organization — NEET Biology
📚 Practice ConceptThe eukaryotes include all the protists, plants, animals and fungi. In eukaryotic cells there is an extensive compartmentalisation of cytoplasm through the presence of membrane bound organelles. Eukaryotic cells possess an organised nucleus with a nuclear envelope. In addition, eukaryotic cells have a variety of complex locomotory and cytoskeletal structures. Their genetic material is organised into chromosomes.
Match the following organelles with their key characteristics: Column I (Organelle) A. Mitochondria B. Ribosomes C. Lysosomes D. Nucleus E. Golgi apparatus Column II (Key Characteristic) i. Contains nucleoli for active ribosomal RNA synthesis, enveloped by nuclear membrane ii. Formed by packaging in Golgi apparatus, contains hydrolytic enzymes active at acidic pH iii. Double membrane-bound with inner membrane infoldings, site of aerobic respiration, contains circular DNA and 70S ribosomes iv. Non-membrane bound granular structures, site of protein synthesis, composed of RNA and proteins v. System of flattened disc-shaped cisternae, performs packaging of materials, major site of glycoprotein and glycolipid formation
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