In a comparison of birds and mammals, having four limbs is ________.

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#Question id: 20161

#XL - P Chemistry

The radius of second Bohr’s orbit is

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#Question id: 17806

#XL - R Botany

Which of the following is not a characteristic that distinguishes gymnosperms and angiosperms from other plants? 

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#Question id: 1778

#XL - Q Biochemistry

Which is not a function of IgG?

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#Question id: 4952

#XL - S Microbiology

Several scientific laboratories across the globe are involved in research concerning the origin of life on Earth. Which of these questions is currently the most problematic and would have the greatest impact on our understanding if we were able to answer it?

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#Question id: 2110

#XL - S Microbiology

According to the fluid mosaic model of cell membranes, phospholipids: