Dendritic cells can be driven from a resting state to an activated state by the T-cell surface molecule:

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#Question id: 4988

#XL - S Microbiology

If the foods preferred by each species are found on different parts of the island, and if the flies mate and lay eggs on their food sources, regardless of the location of the food sources, then the speciation events involving these fly species may have been driven, at least in part, by which of the following?

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#Question id: 5698

#XL - R Botany

A mechanism that can cause a gene to move from one linkage group to another is

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#Question id: 9611

#XL - S Microbiology

If, someday, an archaean cell is discovered whose SSU-rRNA sequence is more similar to that of humans than the sequence of mouse SSU-rRNA is to that of humans, the best explanation for this apparent discrepancy would be

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#Question id: 1579

#XL - S Microbiology

Function of Vitronectin 

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#Question id: 8920

#XL - S Microbiology

Almost all of the major animal body plans seen today appeared in the fossil record over 500 million years ago at the beginning of the