Nitrate is energetically the best electron acceptor under anoxic conditions and is generally used preferentially by which type of microbes?

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#Question id: 11002

#Unit 7. System Physiology – Animal

A 30-year-old man has an ejection fraction of 0.25 and an end systolic volume of 150 ml. What is his end diastolic volume?

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#Question id: 11100

#Unit 7. System Physiology – Animal

Which circumstance would increase ventilation frequency in humans?

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#Question id: 310

#Unit 1. Molecules and their Interaction Relevant to Biology

Ionic bonds easily form when electron when ionization energy of the metallic atom is _____ comparatively.

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#Question id: 19892

#Unit 12. Applied Biology

Which one of the following sensors detects the nearby objects?

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#Question id: 1090

#Unit 4. Cell Communication and Cell Signaling

Binding of a signaling molecule to which type of receptor leads directly to a change in the distribution of ions on opposite sides of the membrane?