Ultrastructure 0.0 / 5 ? BiologyCellular processes and structureInternational BaccalaureateOther Created by: Lotto65Created on: 09-10-16 17:34 What does the cell wall do? Supports and protects the cell. Keeps its shape to prevent it bursting from osmosis 1 of 31 What does the cell membrane do? Controls the passage of substances in and out of the cell 2 of 31 What do ribosomes do? Protein synthesis for use inside cells 3 of 31 What does a nucleoid do? Where bacterial chromosome is found. DNA for regular life processes like respiration 4 of 31 What does the cytoplasm do? Where chemical reactions take place 5 of 31 What do the pili do? For conjugation; stick to surfaces; reproduction 6 of 31 What is conjugation? The joining of bacteria to transfer plasmids 7 of 31 What is a plasmid? Contains survival DNA like antibiotic resistance 8 of 31 What do the flagella do? Help it move 9 of 31 What size ribosomes are in eukaryotes? 80S 10 of 31 What are vesicles for? Membrane-bound compartment to transport proteins 11 of 31 What do the mitochondria do? Release energy from respiration 12 of 31 What does the rough endoplasmic reticulum do? Membrane-bound ribosomes for protein synthesis- these proteins are used for the surface of the reticulum or outside the cell 13 of 31 What does the lysosome do? Old organelles that don't work or bad bacteria is recycled here to be used again 14 of 31 What does the golgi apparatus do? Processes, sorts and sends proteins in vesicles to the parts of the cell where they are needed 15 of 31 What is special about the membrane surrounding a eukaryote nucleus? Double membrane with pores to let mRNA out 16 of 31 Where is the golgi apparatus always situated? Next to the nucleus 17 of 31 What sort of membrane does a mitochondrion have? A double membrane 18 of 31 What does a smooth endoplasmic reticulum do? Produces fats and steroid hormones 19 of 31 What do centrioles do? Where spindle fibres come out of for mitosis- on both planes of the cell 20 of 31 What do microtubules do? Help the structure or to transport 21 of 31 What do vacuoles do? Stores fat or cell sap 22 of 31 Are vacuoles on in plant cells? No - plants and animals 23 of 31 Do plant cells have flagella? No 24 of 31 Do plant cells have cilia? No 25 of 31 Do plants and animals have microtubules? Yes 26 of 31 Do plants and animals have centrioles? Yes 27 of 31 Do animal cells have chloroplasts? No 28 of 31 Do animal cells have a cell wall? No 29 of 31 What is an organelle? Parts of a cell that are membrane bound 30 of 31 What is endosymbiosis? Having a bacteria living inside cells 31 of 31
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