Biology, B2.1.6 Stem cells 0.0 / 5 ? BiologyCells, tissues and organsGCSEOCR Created by: jodie.gCreated on: 30-05-18 14:43 What are stem cells? Stem cells are undifferentiated cells. They divide by mitosis and form cells which then differentiate and become specialised. 1 of 11 What are the two types of stem cells? Embryonic and adult 2 of 11 Where are embryonic stem cells found? In embryos 3 of 11 Where are adult stem cells found? In variuios body tissues such as the brain, bone marrow, skin and liver 4 of 11 What can embryonic and adult stem cells differentiate into? Embryonic stem cells can differentiate into all types of cell but an adult stem cell can only differentiate into some types of cells 5 of 11 What do blood stem cells differentiate into? Red blood cells, white blood cells and platelets 6 of 11 Which type of stem cell remain in a non-dividing state for years until activated? Adult stem cells 7 of 11 What are meristems? Meristems are particular parts of a plant that grow. 8 of 11 Where are plant stem cells found? In meristems 9 of 11 What are the features of plant stem cells? Thin walls, small vacuoles and no chloroplasts. They cannot divide as their cell walls are thick and rigid 10 of 11 Where are meristems found? Root tips, shoot tips, stems, buds. 11 of 11
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