Biology - Cell Division - Revised
Study mitosis, meiosis, embryonic stem cells and how cells divide and replicate in this free online biology course.Publisher: Khan Academy
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Cell division is the process that cells go through to divide and has different types, depending on what type of organism is dividing. This biology course examines the process and studies mitosis, which is the process whereby a single cell divides into two identical ‘daughter’ cells. We then go over meiosis, during which a single cell divides twice to produce four cells containing half the original amount of genetic information. We also investigate sexual reproduction.
Embryonic stem cells (ESCs) are stem cells derived from the undifferentiated inner mass cells of a human embryo. They are capable of growing into all derivatives of the three major germ layers: the ectoderm, endoderm and mesoderm. The course pays close attention to these stem cells and explores their many potential uses. We also explain the causes of cancer, a disease caused by the uncontrolled division of abnormal cells, and trace the development and spread of damaged cells.
Cell division has a major impact on the health and biology of all living things and this course provides a better understanding of the growth and development of these organisms. We establish the importance of cell division in the future treatment of disease and injury repair via stem cell therapies. Sign up for this biology course to learn about mitosis, meiosis and their important role in cell division and replication.Start Course Now
By the end of this course, you will be able to:
- List the stages of mitosis and meiosis
- Outline the ‘interphase’ (G1) and the ‘S Phase’
- Explain the role of microtubules in the anaphase
- Discuss spindle fibres, sister chromosomes and cytokinesis
- Describe a chiasma, a morula and trophoblasts
- Lay out the function and features of embryonic stem cells
- Explain how cancer occurs and travels around the body
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