Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 21, Problem 16PIAT
SOCIETY A research team has explored the possibility ofdifferentiating human embryonic stem (hES) cells into pancreatic cells that might be used to treat diabetes. In contrast to iPS cells, hES cells are taken from an early human embryo, and obtaining them destroys the embryo. The team showed that cells differentiated from hES cells could cure diabetes in a mouse model of the disease. If the same outcome of curing diabetes could be achieved in humans, would there be any advantage to starting with hES or iPS cells to produce pancreatic cells in order to gain widespread acceptance of this therapeutic approach? Why?
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Chapter 21 Solutions
Biological Science (6th Edition)
Ch. 21 - 1. What is apoptosis?
a. an experimental technique...Ch. 21 - In adult animals, ______ are a source of...Ch. 21 - 3. What is a homeotic mutant?
a. an individual...Ch. 21 - 4. A tool-kit gene is _________.
Ch. 21 - CAUTION A friend is interested in isolating genes...Ch. 21 - 6. How is determination distinct from...Ch. 21 - What is the connection between genetic regulatory...Ch. 21 - Which of the following provides the strongest...Ch. 21 - QUANTITATIVE Imagine a situation in which a...Ch. 21 - 10. PROCESS OF SCIENCE Some stickleback fish...
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- Species Interactions Explain how predators, prey and scavengers interact. Explain whether predators and scavengers are necessary or beneficial for an ecosystem.arrow_forwardmagine that you are conducting research on fruit type and seed dispersal. You submitted a paper to a peer-reviewed journal that addresses the factors that impact fruit type and seed dispersal mechanisms in plants of Central America. The editor of the journal communicates that your paper may be published if you make ‘minor revisions’ to the document. Describe two characteristics that you would expect in seeds that are dispersed by the wind. Contrast this with what you would expect for seeds that are gathered, buried or eaten by animals, and explain why they are different. (Editor’s note: Providing this information in your discussion will help readers to consider the significance of the research).arrow_forwardWhat is the difference between Uniporters, Symporters and Antiporters? Which of these are examples of active transport?arrow_forward
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