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7 Cards in this Set
- Front
- Back
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define eukaryotes and prokaryotes |
Eukaryotes are made up of eukaryotic cells and have more than one cell Prokaryotes are made up of prokaryotic cells and are single celled organisms |
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Name all parts of an animal cell |
Nucleus= contains genetic material cytoplasm= gel like substance where most chemical reactions happen it contains enzymes cell membrane= holds cell together and controls what goes in and out mitochondria= most of the reactions for respiration take place ribosomes= involved in translation of genetic material in synthesis of proteins |
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Name structures only in a plant cell |
Rigid cell wall= made of Celulose it supports the cell and strengthens it Large vacuole= contains cell sap maintains internal pressure Chloroplasts= for photosynthesis occurs contain green substance called chlorophyll |
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Structures of bacteria cells |
No nucleus Ribosomes cell membrane plasmid DNA = small loops of extra DNA that are part of chromosomes chromosomal DNA= floats free inside cytoplasm flagellum= moves bacteria |
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How is an egg cells specialised |
Contains nutrients inside Cytoplasm to feed embryo haploid nucleus after fertilisation membrane change the structure to stop any more sperm getting in |
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How is a sperm cell specialised |
Longtail so can swim to egg lots of mitochondria in middle section to provide energy needed to swim Acrosome whichwhich stores enzymes needed to digests the membrane of egg cell contains haploid nucleus |
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How are ciliated epithelium cells specialised |
Have cilia on the top surface of cells to move substances along |
