Which form of Wnt protein binds to a specific site on the Fz extracellular domain and stabilizes the Wnt-Fz complex?

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#Question id: 5560

#Unit 5. Developmental Biology

In a newly fertilized egg, the vitelline layer ________.

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#Question id: 5947

#General Aptitude

The year next to 2013 having the same calendar as that of 2013 is 

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#Question id: 12639

#Unit 6. System Physiology – Plant

Strigolactones are transported out of sites of synthesis via plasma membrane and have been shown to move in the xylem from root to shoot by which transporter?

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#Question id: 31247

#Unit 5. Developmental Biology

Achondroplasia is caused by base-pair substitution mutation that converts:

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#Question id: 2856

#Unit 2. Cellular Organization

Match the lac genes with their enzymes & functions;

lac genes	Enzyme	Functions
lacZ	b-galactosidase	which rids the cell of toxic thiogalactosides that also get transported in by lacY.
lacY	thiogalactoside transacetylase	which cleaves the sugar lactose into galactose and glucose, both of which are used by the cell as energy sources
lacA	lactose permease	a protein that inserts into the cell membrane and transports lactose into the cell