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Questions in biology

[Answered] Cell membranes are primarily made of a component that contains fatty acids. Is this component a A. carbohydrate? B. protein? C. nucleic acid? D. lipid?

[Answered] PART A: MULTIPLE CHOICE QUESTIONS Choose the correct answer to each question from the alternatives A, B, C or D. Write your answer in the box provided. QUESTION 1 The process in which the communities in ecosystems are replaced by new communities is called A. evolution B. succession C. biodiversity D. colonisation QUESTION 2 Which of these is often a limiting factor on the growth rate of a prey population? A. Diseases B. Predation C. Parasitism D. Competition QUESTION 3 The wise use of the Earth's resources such that they will be able to support all life for generations ahead is called A. pollution B. management C. conservation D. development QUESTION 4 Which of these is a group made up of only renewable resources? A. minerals, oil, wood B. water, tins, coconuts C. kaukau, cabbages, cars D. carrots, water, betelnuts

[Answered] Vasopressin increases water A. reabsorption. B. excretion. C. production. D. secretion.

[Answered] Below is data for 250 offspring mice, as produced in a laboratory. | | mice crav | 10072000 ⿻丷木 竍类 | nation ener ハッホロニ E． | mantr and man eq． | | :----------------- | :-------- | :------------------- | :----------------------- | :------------------- | | － | 2／15 | H8 | 2111 | HILD | | Bereaten Derishatur． | ＋6，25\% | 10.755 | 18754 | B． $254 \%$ | | Labaretary Fran I on | 155nso | stursh | avita | 2nnake | | Lavaratisp protorage | 8．245 | 20.45 | 8789 | H Pos | Notice that the predicted percentages and laboratory percentages are not the same. These differences most likely result from $\square$ परणाय

[Answered] Which of the following cycles does not involve living organisms? a. carbon cycle b. oxygen cycle c. rock cycle d. nitrogen cycle

[Answered] Did Schonenberger state, "being a physician is practicing an art, not exercising a science"?

[Answered] 1. How does the skin regulate body temperature? 2. What is the role of sweat glands in the integumentary system? 3. How does the skin protect the body from external damage? 4. What is the primary function of the respiratory system? 5. How does the respiratory system remove carbon dioxide from the body? 6. How do bones provide support and protection for the body? 7. What is the role of joints in facilitating movements? 8. How does the skeletal system produce blood cells?

[Answered] The fluid-filled chamber of the inner ear is called the A. anvil B. hammer C. cochlea D. temporal lobe

[Answered] What substances produced by bacteria are neutralised by antitoxins?

[Answered] If a plant A leaf shows reticulate venation and Plant B shows parallel venation, which type of roots will be present in Plant A and Plant B?