Biology - Cell structure

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Вопрос		Ответ
What is the difference between eukaryotic and prokaryotic cells? начать обучение		Eukaryotic cells have a nucleus and membrane-bound organelles. Prokaryotic cells don’t.
What are the 5 sub-cellular structures found in animal cells? начать обучение		Nucleus, cytoplasm, cell membrane, mitochondria, ribosomes
What are 3 extra structures that are found in plant cells? начать обучение		Cell wall, chloroplasts, permanent vacuole
What is the function of the nucleus? начать обучение		Contains genetic material (DNA) and controls activities of the cell
What is the function of the cell membrane? начать обучение		Controls movement of substances in and out of the cell
What is the function of the cytoplasm? начать обучение		Where most chemical reactions take place
What is the function of mitochondria? начать обучение		Site of aerobic respiration
What is the function of ribosomes? начать обучение		Site of the protein synthesis
What is the function of the cell wall? начать обучение		Strengthens and supports the cell
What is the function of chloroplast? начать обучение		Site of photosynthesis
What is the function of permanent vacuole? начать обучение		Contains cell sap and helps keep the cell rigid
Give an example of a prokaryote начать обучение		Bacteria
Name 3 structures found in bacterial cells начать обучение		Cytoplasm, cell membranes, ribosomes
What is plasmid DNA? начать обучение		Small rings of extra DNA found in bacteria

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