Q1 assume you are studying the nitrogen cycling in a pond

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Q1. Assume you are studying the nitrogen cycling in a pond ecosystem over the course of a year. While you are collecting data, a flock of 100 Canada geese lands and spends the night during a fall migration. What could you do to eliminate error in your study as the result of this event?

Q2. When an excess of the ligand (hormone) is poured through the column after receptor binding step, what do you expect will happen?

Q3. A porcupine eats 3,000 J of plant material. 1,600 J is indigestible and is eliminated as feces. 1,300 J are used in cellular respiration. What is the estimated production efficiency of this animal?

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