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9.2 The most common system used to classify climatic zones is the____________ ? (1)

(B) State whether the altitude for George is high or low? (1)

  QUESTION: 5   State whether the following sentences are true or false: 5.1 Sea temperature usually changes more slowly than land temperature. It heats up more slowly and also cools down more slowly. (1)

8.2 Select the correct measuring instrument and measuring unit for the elements of weather: (6)   Weather element Measuring instrument Units of measurement Precipitation [ans1] [ans4] Humidity [ans2] [ans5] Wind direction [ans3] [ans6]    

The secretion of __________ helps regulate our circadian rhythms.

(C)  Explain why you’ve decided on the given answer above (high or low) for the altitude of George. Refer to altitude that will impact the temperature and rainfall of George. (2)

The embryonic structures develop from these cells of the blastocyst:

Essay:  Describe the pathophysiology and the symptoms of Diabetes mellitus. Describe the negative feedback mechanism for regulation of blood glucose levels. ⦁ What happens if blood glucose levels increase? Name the hormone which normalizes glucose levels. In what cells/ gland is this hormone produced? (5 pts)⦁ What happens if blood glucose levels decrease? Name the hormone and the cells that secrete this hormone. (5 pts) How is glucose internalized into the tissues? What are the roles of insulin and insulin receptors? What are the possible causes for type 1 and type 2 diabetes? (5 pts) What other sources for energy are being used by the cells when intracellular glucose is not available in diabetes? Discuss the effects on lipid metabolism and the resulting accumulation of byproducts that may lead to diabetic coma. Name the products of lipid metabolism that may lead to diabetic coma. (5 pts) Other symptoms due to high blood glucose levels: discuss the elimination of glucose in the urine, the effect on the center of thirst and appetite. Name the resulting symptoms. (5 pts) Bonus (10 pts): ⦁ What are the normal blood glucose levels?⦁ What is diabetes insipidus due to? Incomplete, wrong, ambiguous or missing answers will result in 25%, 50%, 75% or 100% point deduction. Points will be subtracted for incorrect grammar.

4.6 In terme van Suid Afrikaanse Teater, wat was die doel van die Swart Bewussyns-beweging?   (4)

Which hormone is involve in a positive feedback mechanism during labor as a result of stretching of the uterine cervix and enhances uterine contractions?