Biology - Cell structure

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

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