Stem Cells GCSE

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HhMb Adult Stem Cells •Can be found in. -Bone marrow m •They are found in limited numbers. Can differentiate into only a few cells. •Will only form red or white blood cells Embryonic Stem Cells •Will form a full range of cell types •Found in embryos and umbilical cord •Have ethical issues. ● Ethical Issues • Religious groups see it as potential human as a savice to cure others. Wrong • All new research is scrutinised by keading Scie the public. Plant Stem Cells •Found in growing points at the ends of Snoots and roots. (apices of meristems) Can redifferentiate (human cells can't). •Growth can be measured by counting reaves, rooks, Shoots, height, length of stem, leaves roots; recording change in mass Stem Cells to use a cells, even if it's and peer reviewed Scientists before being published to TU 0 10 What Are They? •Simple /unspecialised Cells Candivide mitosis by • Can differentiate into a cell a variety of types. • Can become Specialised. Stem Cells In Medicine Embryonic Stem cells have better potensial than Aduit Stem cells as embryonic cells can differentiate in Leukaemia. into Ja greater range of cell types. •Stem cells provide pontial benefits including bone marrow transplants treating Pre-treatment using radio therapy / chemotherapy destroyes the immune system, transfer of viruses / diseases from aner animals; formation of tumurs; development of unwanted cell types. •What Do They Do? •Can differentiate into a variety of cell types. • Can become Specialised Differences Between Embryonic cells form a full range of cell types. Adult calis form a limited range of cell types eig they only form red or white blood cells. 2. Plant Stem cells are found...

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