The tracheal (respiratory) system in Drosophila embryos develops from epithelial sacs. The approximately 80 cells in each of these sacs become reorganized into primary, secondary, and tertiary branches without any cell division or cell death. This reorganization is initiated when nearby cells secrete a protein called Branchless, which acts as a:

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#Question id: 1594

#SCPH28 | Zoology

HIV targets include all of the following except

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#Question id: 19339

#SCPH06 I Botany

The troponins and myoglobins are type of biomarkers of ______ disease?

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#Question id: 15477

#SCPH28 | Zoology

Why these metabolites are manufactured by microbial fermentation rather than chemical synthesis 

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#Question id: 27989

#Research Methodology

Fundamental research reflects the ability to:

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#Question id: 27870

#Research Methodology

The ___ scale measurement has a natural zero.