Owls eat rats, mice, shrews, and small birds. Assume that, over a period of time, an owl consumes 5,000 J of animal material. The owl loses 2,300 J in feces and owl pellets and uses 2,500 J for cellular respiration. What is the production efficiency of this owl?

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#Question id: 4189

#XL - T Zoology

The correct order for the formation of the prokaryotic 70S initiation complex is

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#Question id: 19839

#XL - P Chemistry

If a refrigerator’s door is opened, then we get

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#Question id: 5754

#XL - S Microbiology

A cell is exposed to EMS (a mutagen that causes guanine to mispair with thymine) and allowed to undergo a few rounds of DNA replication.  The mutational event caused by this mutagen will be

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#Question id: 18000

#XL - Q Biochemistry

Two-dimensional polyacrylamide gel electrophoresis separates the proteins on the basis of

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#Question id: 10675

#XL - T Zoology

Which of the following pollinating agents is correctly matched with the type of plant it helps pollinate?