If organisms A, B, and C belong to the same class but to different orders and if organisms C, D, and E belong to the same order but to different families, which of the following pairs of organisms would be expected to show the greatest degree of structural homology?

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#Question id: 1708

#XL - Q Biochemistry

When antigen reaches a lymph node in a primed animal:

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#Question id: 16488

#XL - R Botany

Advantages of organ culture are

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#Question id: 18003

#XL - R Botany

In a typical angiosperm, what is the sequence of structures encountered by the tip of a growing pollen tube on its way to the egg? 

1. micropyle 2. style 

3. ovary 4. stigma 

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#Question id: 20122

#XL - P Chemistry

A Beckmann thermometer is used to measure

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#Question id: 34082

#XL - S Microbiology

Regarding Gram staining and bacterial cell wall characteristics, which statements are correct?