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• 6. When Mendel crossed two plants that were heterozygous for a single trait, what were the phenotypi
• 7. Mendel's work with two-factor (dihybrid) crosses led directly to which of the following? (A)
• 8.In humans, patterns of inheritance are often studied using which of the following? (A) Dihybrid te
• 9. A heterozygote possesses a phenotype that is intermediate between the homozygous dominant and hom
• 10. The general purpose of the synaptonemal complex is to . (A) enable the reformation of the cell w
• 11. Which of the following best illustrates homeostasis?(A) Most adult humnans are between 5 and 6 f
• 12. Negative-feedback mechanisms are:(A) most often involved in maintaining homeostasis(B) activated
• 13. Characteristic of simple epithelium is that they(A) are arranged indiscriminately(B) continue to
• 14. Collagen is(A) lipid(B) fibrous protein(C) globular protein(D) carbohydrate
• 15. Which of the following is mismatched with its function?(A) most B vitamins - coenzymes(B) Vitami
• 16. The energy content of fats(A) is released by bile salts(B) may be lost unless an herbivore easts
• 17. What is the function of the cilis in the trachea and bronchi?(A)to sweep air into and out of the
• 18. Which one of the following mammalian cells is not capable of metabolizing glucose to carbon diox
• 19. If pancreas is removed, the compound which remain undigested is(A) proteins(B) carbohydrates(C)
• 20. Which organ receives only oxygenated blood?(A) lung(B) liver(C) spleen(D) gill
• 21. Uric acid is the chief nitrogenous wasters in(A) frog(B) birds(C) fishes(D) man
• 22. The contractile protein of skeletal muscle involving ATPase activity is(A) actin(B) myosin(C) tr
• 23. What is the name of the iron-containing protein that gives red blood vessel their color?(A) hemo
• 24. A rise in blood cholesterol may lead to a deposition of cholesterol on the walls of blood vessel
• 25. During fasting, in what sequence that are the following organic compounds used up by the body?(A
• 26. The functional unit of contractile system in striated muscle is(A) myofibril(B) cross bridges(C)
• 27. Cornea transplant in humans is almost never rejected. This is because(A) it is composed of enucl
• 28. During the propagate ion of a nerve ion of a nerve impulse, the action potential results from th
• 29. Alzheimer's disease in human is associated with the deficiency of(A) dopamine(B) glutamic a
• 30. The cells responsible for color vision in vertebrates are called(A) rod cells(B) cone cells(C) b