Suppose that the number of bird species is determined mainly by the number of vertical strata found in the environment. If so, in which of the following biomes would you find the greatest number of bird species?

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#Question id: 18368

#Unit 12. Applied Biology

The Phytoremediation system can be used for the treatment of 

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#Question id: 31331

#Unit 7. System Physiology – Animal

Which of the following has the greatest effect on the ability of blood to transport oxygen?

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#Question id: 15832

#Unit 8. Inheritance Biology

Your friends Ben and Jane are contemplating having children and seek your genetic counsel. Ben and Jane are unrelated, but both have younger brothers with the same, extremely rare genetic trait. (In fact, Ben and Jane met at a support group meeting for children and families of children with this rare disorder.) Ben’s parents and Jane’s parents are all unaffected.        

 Assume that the trait is autosomal dominant with 80% penetrance in heterozygotes and 100% penetrance in homozygotes. What is the probability that Ben and Jane’s first child will be affected? 

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#Question id: 562

#Unit 1. Molecules and their Interaction Relevant to Biology

Phenyl-methane-sulfonyl-fluoride (PMSF) inactivates serine proteases by binding covalently to the catalytic serine residue at the active site; this enzyme-inhibitor bond is not cleaved by the enzyme.  This is an example of what kind of inhibition?

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#Question id: 26433

#Unit 3. Fundamental Processes

Which of the following factor is absent in eukaryotic repair system