Which would lead to a dorsalized embryo? (Recall that genes in Drosophila are named for their mutant phenotype.

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#Question id: 3767

#XL - Q Biochemistry

Which of the following characteristics would you expect of a eukaryotic organism that lacks the enzyme telomerase?

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#Question id: 11321

#XL - T Zoology

What is a constitutive plant defense?

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#Question id: 17668

#XL - R Botany

The most recent common ancestor of all land plants was probably similar to modern-day members of which group? 

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#Question id: 20204

#XL - P Chemistry

Ground state electronic configuration of nitrogen atom can be represented by

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#Question id: 5753

#XL - S Microbiology

A bacterial histidine mutant was plated on minimal medium and a single colony grew. You decide to sequence the histidine biosynthetic gene of the revertant and discover that the original mutation is still present.  This colony must have been able grow due to a