Immortal cells - PowerPoint PPT Presentation

Chapter 6: Chromosomes and Cell Division

Chapter 6: Chromosomes and Cell Division. Continuity and variety. Lectures by Mark Manteuffel, St. Louis Community College. 6.1–6.5 There are different types of cell division. Mitosis Meiosis What is the difference?.

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374 views • 35 slides

Telomeres and Aging: Is there a connection?

Telomeres and Aging: Is there a connection?. What are telomeres?. Telomeres are… Repetitive DNA sequences at the ends of all human chromosomes They contain thousands of repeats of the six-nucleotide sequence, TTAGGG In humans there are 46 chromosomes and thus 92 telomeres (one at each end).

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344 views • 31 slides

Cancer, Aging and Telomeres

Cancer, Aging and Telomeres. How molecular genetic research contributes to a better understanding of cancer and aging in humans. What is cancer?. Cancer is the result of accelerated growth of undifferentiated cells Proto-oncogenes in cells regulate mitosis, cell growth and apoptosis

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350 views • 10 slides

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