A small amount if cytoplasm isolated from a mitotic cell is injected into an unfertilized frog oocyte, causing the oocyte to enter M phase. A sample of the injected cytoplasm is then taken and injected into a second oocyte, causing this cell also to enter the M phase. this process is repeated many times until essentially, none of the original protein samples remains, and yet, cytoplasm taken from the last in the series on injected oocytes is still able to trigger entry into the M phase with undiminished efficiency. Explain this remarkable observation.
A small amount if cytoplasm isolated from a mitotic cell is injected into an unfertilized frog oocyte, causing the oocyte to enter M phase. A sample of the injected cytoplasm is then taken and injected into a second oocyte, causing this cell also to enter the M phase. this process is repeated many times until essentially, none of the original protein samples remains, and yet, cytoplasm taken from the last in the series on injected oocytes is still able to trigger entry into the M phase with undiminished efficiency. Explain this remarkable observation.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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A small amount if cytoplasm isolated from a mitotic cell is injected into an unfertilized frog oocyte, causing the oocyte to enter M phase. A sample of the injected cytoplasm is then taken and injected into a second oocyte, causing this cell also to enter the M phase. this process is repeated many times until essentially, none of the original protein samples remains, and yet, cytoplasm taken from the last in the series on injected oocytes is still able to trigger entry into the M phase with undiminished efficiency. Explain this remarkable observation.
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