Which of the following event is not seen during amphibian gastrulation development?

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#Question id: 23149

#Unit 13. Methods in Biology

In fluorescence microscopy a usually used fluorochrome that is fura-2 is sensitive to which ions?

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#Question id: 22939

#Unit 5. Developmental Biology

CO gene expression appears to be highest in the companion cells of the phloem of leaves and stems, the downstream target gene of CONSTANS is

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#Question id: 4685

#Unit 3. Fundamental Processes

Some given characteristics of repressor such as;

 I) λ-repressor and

II) cro-repressor

a) A repressor binds DNA as a dimer

b) A repressor work as both activator and repressor

c) Repressor is a single-domain protein

d) Repressor binds to operator sites cooperatively

e) Only represses transcription, like the Lac repressor

which of the following are correct match statements  of given repressor

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#Question id: 10184

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statement is incorrect about plasmalogen?

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#Question id: 717

#Unit 1. Molecules and their Interaction Relevant to Biology

What is Φ & Ψ angles for collagen triple helix?