In deep water, which of the following abiotic factors would most limit primary productivity?

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#Question id: 10351

#6. System Physiology – Plant

Plants contain two types of GOGAT; one accepts electrons from NADH, and the other accepts electrons from ferredoxin (Fd); which one of the following statements is correct?

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#Question id: 8896

#9. Diversity of Life Forms

Chordate pharyngeal slits appear to have functioned first as

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#Question id: 12376

#10. Ecological Principles

All of the following may be considered as sites for secondary succession EXCEPT

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#Question id: 16309

#7. System Physiology – Animal

Which of the following statements correctly describe the reason of heat stroke.

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#Question id: 382

#1. Molecules and their Interaction Relevant to Biology

The molar ratio of sodium acetate to acetic acid in a buffer solution with a pH OF 5.76 is 10:1. Assuming the total buffer concentration is 2.2 X 10^-2 mol/L, how many grams of sodium acetate (m.w. 82) and how many grams of acetic acid (m.w. 60) should be used in preparing a litre of the solution?