Technique that allows genomic fragments to be rapidly scanned for the presence of exons is called

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#Question id: 27629

#Unit 1. Molecules and their Interaction Relevant to Biology

Length of alpha helix can be calculated  by using

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#Question id: 1714

#Unit 4. Cell Communication and Cell Signaling

In a lymph node, the antigen pneumococcus polysaccharide SIII leads to:

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#Question id: 12233

#Unit 10. Ecological Principles

Monarch butterflies are protected from birds and other predators but the cardiac glycosides they incorporate into their tissues are from eating milkweed when they were in their caterpillar stage of development. The wings of a different species of butterfly, the Viceroy, look nearly identical to the Monarch so predators that have learned not to eat the bad-tasting Monarch avoid Viceroys as well. This example best describes

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#Question id: 6955

#Unit 5. Developmental Biology

In frogs, maternally packaged Xwnt-11 leads to nuclear localization of _____ in the _____, which in response signals to adjacent cells to become the _____.

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#Question id: 15524

#Unit 4. Cell Communication and Cell Signaling

The bulk of DP thymocyte death (~95%) occurs among thymocytes that fail positive selection because