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18 Cards in this Set
- Front
- Back
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What is the difference between a prokaryote and a eurkaroyte? |
x |
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What is the structure and function of the cell surface membrane? |
Phospholipid bilayer Regulates the moment of substances into and out of the cell |
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What is the structure and function of nucleus? |
Nuclear envelope + pores Containing chromosomes Controls the transcription of DNA |
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What is the structure and function of the mitochondrion? |
Double membrane (cristae) Matrix Site of aerobic respiration where ATP is produced |
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What is the structure and function of the chloroplast? |
Double membrane Thylakoid membranes Grana Lamellae Stroma Photosynthesis |
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What is the structure and function of the Golgi apparatus? |
Flattened sacs/vessiles Lipids and Proteins Lysosomes |
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What is the structure and function of the Golgi vesicle? |
Fluid-filled same membrane stores lips and proteins and transports out of the cell |
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What is the structure and function of the lysosome? |
Round organelle, no clear internal structure Digestive enzymes called lysozyme |
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What is the structure and function of the ribosome? |
Two sub-units Proteins and RNA Site of Protein production |
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What is the structure and function of the RER? |
Membranes Fluid filled sacs Studded with ribosomes Folds and processes proteins made at Ribosomes |
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What is the structure and function of the smooth endoplasmic reticulum? |
Synthesises lipids |
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What is the structure and function of the cell wall? |
Rigid structure Cellulose or chitin Supports cells, prevents changing shape |
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What is the structure and function of the vacuole? |
Cell sap (weak solution of sugar and salts) Maintains pressure inside the cell Isolation of unwanted chemicals Store of solutes etc. |
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What is cell specialisation in multicellular organisms? |
Cell's become specialised to carry out specific functions (determined by structure) |
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How are specialised cells organised? |
Tissues Organs Organ system Organism |
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How do Prokaryotes differ from Eukaryotes? |
Smaller and simpler No membrane bound organelles Flagellum Circular DNA, not associated with proteins Plasmids (small loops of DNA, contain genes e.g antibiotic resistance) Muerin wall Capsule (secreted slime) Smaller ribosomes |
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What organism is accelular and non-living? |
Viruses |
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What is the structure of a virus? |
No plasma membrane, no cytoplasm, no ribosomes Genetic material (nucleic acids), capsid, attachment proteins |
