Caffeine is an inhibitor of phosphodiesterase. Therefore, the cells of a person who has recently consumed coffee would have increased levels of which of the following molecules?

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#Question id: 4616

#XL - S Microbiology

Logically, which of these should cast the most doubt on the relationships depicted by an evolutionary tree?

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#Question id: 17082

#XL - R Botany

What is an Aminopterin

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#Question id: 18078

#XL - R Botany

Which of the following can be found in gymnosperms? 

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#Question id: 5737

#XL - T Zoology

When an organism gains one extra copy of a chromosome but not a complete haploid set, the conditions is known as

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#Question id: 19934

#XL - P Chemistry

The orbital configuration of 24Cr is 3d⁵4s¹. The number of unpaired electrons in is