BIOLOGY -CONNECT ACCESS
14th Edition
ISBN: 9781266239397
Author: Mader
Publisher: MCG
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Chapter 1.3, Problem 1CYP
Identify the role of the experimental variable in an experiment.
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"One of the symmetry breaking events in mouse gastrulation requires the amplification of Nodal on the side of the embryo opposite to the Anterior Visceral Endoderm (AVE). Describe one way by which Nodal gets amplified in this region."
My understanding of this is that there are a few ways nodal is amplified though I'm not sure if this is specifically occurs on the opposite side of the AVE.
1. pronodal cleaved by protease -> active nodal
2. Nodal -> BMP4 -> Wnt-> nodal
3. Nodal-> Nodal, Fox1 binding site
4. BMP4 on outside-> nodal
Are all of these occuring opposite to AVE?
If four babies are born on a given day What is the chance all four will be girls? Use genetics laws
Chapter 1 Solutions
BIOLOGY -CONNECT ACCESS
Ch. 1.1 - Prob. 1CYPCh. 1.1 - List the common characteristics of all living...Ch. 1.1 - Explain how adaptations relate to evolutionary...Ch. 1.2 - Explain how natural selection results in new...Ch. 1.2 - List the levels of taxonomic classification from...Ch. 1.2 - Describe the differences that might be used to...Ch. 1.3 - Identify the role of the experimental variable in...Ch. 1.3 - Distinguish between the roles of the test group...Ch. 1.3 - Prob. 3CYPCh. 1.4 - Explain how a new technology differs from a...
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