Biology

2001 1 The Australian hopping mouse, Notomys alexis, is a desert animal. It produces piss supply that is very concentrated. Why is this an advantage for the animal? (A) It needs to assert piss. (B) It is nocturnal and only drinks at dusk. (C) It has a high inhalation of salt in its specialised diet. (D) It needs to excrete cock-a-hoop mensurations of pissing to survive. 2 What is the role of ADH (vasopressin)? (A) It increases the amount of water reabsorbed in the kidney. (B) It increases the amount of staff 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 represents one example of homeostasis in an endotherm. Which of the by-line does Response X represent in this cycle? (A) increase rate of labor production (B) Increased rate of urine production (C) decrease rate of labor production (D) Decreased rate of urine p roduction 4 Four students were asked to protrude a first-hand investigation to determine the effect of pH on the activity of an enzyme. Their designs of the investigation are shown in the tables. Which investigation is the round appropriate?

(A) fancy A (B) Design B (C) Design C (D) Design D 5 The sweet orientation of freshly-picked lemon is due to the high boodle content in the kernels. Enzyme action interchanges about 50% of the breadstuff to starch inwardly one day of picking. To preserve its sweetness, the freshly-picked corn is immersed in boiling water for a few minutes, then coole d. Which of the following explains why the ! boiled corn kernels remain sweet? (A) boiling destroys the sugar molecules so that they cannot be converted 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: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper