The shortest alpha helix segment in a protein that will span a membrane bilayer has about.

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#Question id: 4657

#Unit 11. Evolution and Behavior

 Which of the following statements most detracts from the claim that the human appendix is a completely vestigial organ?

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#Question id: 23031

#Unit 12. Applied Biology

Which of the following portion of some xenobiotic can be traced back to a biological origin to see if these substances were produced oil, natural gas or coal?

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#Question id: 16491

#Unit 12. Applied Biology

Which was the first transgenic variety to reach market

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#Question id: 12752

#Unit 13. Methods in Biology

Which of the following cannot be used to remove protein contamination from nucleic acids?

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#Question id: 15674

#Unit 2. Cellular Organization

During which phase of the bacterial growth curve does the total number of viable cells decline?