Which of the following mechanism is involve to the primitive streak formation_____

a) epithelial-to-mesenchymal transformation

b) cellular dance mechanism

c) Wnt planar cell polarity pathway 

d) RTK pathway

e )Nonplanar cell polarity pathway

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#Question id: 14730

#Unit 13. Methods in Biology

Mean of 200 observations was found to be 90. However, when the observations were being made, two observations were wrongly taken as 15 and 80 instead of 40 and 87. Then the correct mean is

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#Question id: 10753

#Unit 10. Ecological Principles

Which of the following is correct combination? 

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#Question id: 3764

#Unit 3. Fundamental Processes

What is the role of DNA ligase in the elongation of the lagging strand during DNA replication?

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#Question id: 31019

#Unit 4. Cell Communication and Cell Signaling

Binding of a single ligand to a receptor usually can be viewed as a:

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#Question id: 2734

#Unit 2. Cellular Organization

Although nucleotides bearing the major purines and pyrimidines are most common, both DNA and RNA also contain some minor bases. In DNA the most common of these are _______________ forms of the major bases; in some viral DNAs, certain bases may be hydroxymethylated or glucosylated.