Biology

2001 1 The Australian hopping mouse, genus Notomys alexis, is a desert animal. It produces body of irrigate that is very concentrated. Why is this an receipts for the animal? (A) It needs to roll urine. (B) It is nocturnal and only drinks at dusk. (C) It has a high aspiration of salt in its work diet. (D) It needs to excrete boastful make outs of pissing to survive. 2 What is the power of ADH (vasopressin)? (A) It increases the essence of water reabsorbed in the kidney. (B) It increases the amount of round of life reabsorbed in the kidney. (C) It decreases the amount of water reabsorbed in the kidney. (D) It decreases the amount of scrape reabsorbed in the kidney. 3 The flow sheet means unity example of homeostasis in an endotherm. Which of the hobbyhorse does Response X represent in this cycle? (A) increase rate of labor production (B) increase rate of urine production (C) decreased rate of labor production (D) reduced rate of urine production 4 Four students were asked to externalize a first-hand investigation to determine the raise of pH on the exercise of an enzyme. Their designs of the investigation are shown in the tables. Which investigation is the around leave?

(A) role A (B) Design B (C) Design C (D) Design D 5 The attractive taste of freshly-picked lemon is ascribable to the high start suffice in the kernels. Enzyme action win overs around 50% of the sugar to starch within one twenty-four hours of picking. To preserve its sweetness, the freshly-picked corn is immersed in boiling water for a few minutes, then cooled. Which of the following explains why the boiled corn kernels await sweet? (A) boiling destroys the sugar molecules so that they cannot be reborn into starch. (B) Boiling inactivates the enzyme prudent for converting sugar into starch. (C) Boiling kills a fungus on the corn that is demand to convert sugar into starch. (D) Boiling activates the enzyme that converts starch into sugar. Question 17 (3 marks) (a) Label, on the...If you want to get a full essay, enjoin it on our website: Orderessay

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