A regional thickening of cells at the anterior end of the primitive streak is termed____

a) Hensen’s node 

b) Primitive Knot

c) Primitive Groove

d) Primitive pit

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#Question id: 12099

#Unit 10. Ecological Principles

According to the competitive exclusion principle, two species cannot continue to occupy the same

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#Question id: 19352

#Unit 12. Applied Biology

Reporter genes have been extensively used to assay the function of promoters and other regulatory sequences, and also to demonstrate the 

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#Question id: 11857

#General Aptitude

Find the least number which when divided by 5 , 7 , 11 leaves reminders 1 , 2 , 3 respectively.

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#Question id: 31029

#Unit 4. Cell Communication and Cell Signaling

All GPCR signal transduction pathways share the following common elements. which of the following is incorrect regarding GPCR? 

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#Question id: 803

#Unit 1. Molecules and their Interaction Relevant to Biology

A single-stranded DNA molecule contains 40 nucleotides and has the sequence 5’-(GA)20-3’. When this single strand binds to a complementary DNA strand to form a B-DNA structure,