In strong acid and at elevated temperatures, for example perchloric acid (HClO4) at more than 100° C, nucleic acids tend to:

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#Question id: 11903

#Unit 7. System Physiology – Animal

If a patient has a creatinine clearance of 90 ml/min, a urine flow rate of 1 ml/min, a plasma K+ concentration of 4 mEq/L, and a urine K+ concentration of 60 mEq/L, what is the approximate rate of K+ excretion?

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#Question id: 5090

#Unit 5. Developmental Biology

Which of the following is a correct description of the fate of the germ layers?

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#Question id: 10491

#Unit 6. System Physiology – Plant

Acidification of the lumen stimulates zeaxanthin formation, and alkalinization favors violaxanthin formation. Lumen pH depends on photosynthetic photon flux density, most effective at

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#Question id: 525

#Unit 1. Molecules and their Interaction Relevant to Biology

Under what situation might lactic acidosis occur?

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#Question id: 33283

#Unit 2. Cellular Organization

As the sister chromatids separate in anaphase, which of the following myosin begin to accumulate in the rapidly assembling contractile ring?