#Question id: 28551
#Unit 5. Developmental Biology
In D. discoideum, When the ratio of PSF relative to that of bacteria exceeds a certain threshold, then which activity happened?
#Question id: 7207
#Unit 5. Developmental Biology
Which of the following statements is true about formation of the primitive streak ?
A. by the cellular dance mechanism, the cells came down the sides of the epiblast to undergo a medially directed intercalation of cells in the posterior margin where primitive streak forms.
B. Cellular dance is mediated by wnt planar cell polarity pathway in the hypoblast cells, at the posterior edge of the embryo.
C. The Wnt pathway activated by fibroblast growth factors (FGFs) produced by the hypoblast.
D. The Wnt planar cell polarity pathway activated by b-catenin produced by the epiblast.
#Question id: 32920
#Unit 2. Cellular Organization
#Question id: 28081
#Unit 6. System Physiology – Plant
In the phenomenon of transfer of electron in photosystem have various time order
(a) Splitting of H2O – 1ms
(b) Transfer of electron from Mn – Z – in Microseconds
(c) Transfer of electron from Z – P680 – in Nanosecond
(d) 1st photochemistry - picoseconds
Which of the following is correct
#Question id: 28679
#Unit 2. Cellular Organization
Which of the following CDKs phosphorylate specific nucleoporins, which causes nuclear pore complexes to dissociate during prophase?