In biological nitrogen fixation, the process of nitrification by organism respective bacteria A--which convert the ammonia to nitrite and B--- further converted into nitrate in the soil by their respective A and B bacteria known as;

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#Question id: 28569

#Unit 5. Developmental Biology

Which of the following factor is responsible for the activation of the histidine phosphatase activity of DhkA ?

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#Question id: 12989

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the correct statement related to hydrogen bond and Van der Waals interactions

a. Hydrogen bond formation takes place between dipole-dipole interaction.

b. Van der waals interaction takes place between induced dipole-induced dipole.

c. Hydrogen bond formation takes place between induced dipole-induced dipole.

d. Van der waals interaction takes place between dipole-dipole interaction.

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#Question id: 11676

#Unit 7. System Physiology – Animal

In humans, the transport epithelial cells in the ascending loop of Henle:

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#Question id: 3010

#Unit 2. Cellular Organization

Endospores

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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