Invaginating cells during amphibian gastrulation, in which the main body of each cell is displaced toward the inside of the embryo while maintaining contact with the outside surface by way of a slender neck-

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#Question id: 754

#Unit 1. Molecules and their Interaction Relevant to Biology

If the twisting of the DNA is in the same direction as that of the double helix, that is the helix is twisted up before closure, this form of super coiling is known as;

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#Question id: 15486

#Unit 12. Applied Biology

Why glutamic acid accumulation in cell is not a good idea for Corynebacterium

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#Question id: 12701

#Unit 7. System Physiology – Animal

In chronic respiratory acidosis with partial renal compensation, you would expect to find the following changes, compared to normal:___ urinary excretion of NH4+; ______ plasma HCO3− concentration; and _____ urine pH.

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#Question id: 14837

#Unit 5. Developmental Biology

Each of the three major strategies of cell specification summarized in TABLE  offers a different way of providing each embryonic cell with a set of determinants (often transcription factors) that will activate specific genes and cause the cell to differentiate into a particular cell type:

Choose right combinations;

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#Question id: 28482

#Unit 5. Developmental Biology

A cell become the trophoblast cells by the activation of the transcription of cdx2 gene, these cdx2 gene is regulated by which transcriptional factor?