Higher human biology Unit 1.1 5.0 / 5 based on 3 ratings ? Human Biologycell differentiationScottish HighersSQA Created by: jennylock2Created on: 22-09-21 14:57 what is a stem cell? an undifferentiated cell. 1 of 9 How do cells become differentiated? genes that express proteins important for the function of that cell remain switched on 2 of 9 what are the two types of stem cells? embryonic and tissue 3 of 9 somatic cells work together with similar cells to form tissues 4 of 9 which cells are formed from the stem cells in bone marrow blood cells 5 of 9 what word describes the gametes and the fact that they have only one set of chromosomes? haploid 6 of 9 what is an example of a therapeutic use of stem cells? skin regeneration 7 of 9 how does a tumour develop? cells do not respond to regulatory signals and divide excessively 8 of 9 why is mitosis important to somatic cells? to ensure no loss of genetic information 9 of 9
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