The water molecule, hydrogen–oxygen bonds form an angle of 105°, The opposite partial charges (δ– and δ+) on the water molecule lead to the formation of which bond with other water molecules,

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#Question id: 11658

#Unit 10. Ecological Principles

Directional community changes due to the cause of succession, factors involve such as

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#Question id: 10907

#Unit 6. System Physiology – Plant

The mechanism of phloem translocation in angiosperms is best explained by the pressure-flow model, this model is an example of,

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#Question id: 23438

#Unit 1. Molecules and their Interaction Relevant to Biology

If A + B means A is the sister of B; A ×B means A is the wife of B, A%B means A is the father of B and A − means A is the brother of B. Which of the following means T is the daughter of P?

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#Question id: 12074

#Unit 7. System Physiology – Animal

Which of the following tends to increase potassium secretion by the cortical collecting tubule?

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#Question id: 4669

#Unit 3. Fundamental Processes

Instead of a TATA box, some eukaryotic genes contain an alternative promoter element called an initiator. Most naturally occurring initiator elements have