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Questions in biology

[Answered] 1) Chlamydia can prevent the formation of phagolysosomes, and therefore Chlamydia can A) avoid being phagocytized B) avoid destruction by complement C) avoid being digested D) prevent antibody recognition E) none of the above 2) If the following are placed in the order of occurrence, which would be the third step? A) Emigration B) Formation of a phagocytosis C) Digestion D) Formation of a phagolysosome E) Margination 3) If the following are placed in the order of occurrence, which would be the third step? A) Activation of C5 through C9 B) Cell lysis C) Antigen-antibody reaction D) Activation of C3 E) Activation of C1, C2 and C4 4) A human host can prevent a pathogen from getting enough iron by A) reducing dietary intake of iron B) binding iron with transferrin C) binding iron with hemoglobin D) excreting excess iron E) binding iron with siderophores

[Answered] The biological level of analysis would be most applicable when studying which topic? A. What motivates students to study harder for a test? B. What causes people to lose their inhibitions in crowds? C. Which hormones are associated with aggressive behavior?

[Answered] Which trophic level of a marine food chain breaks down organisms from all of the other levels? A. Decomposers B. Herbivores C. Primary producers D. Tertiary consumers

[Answered] Which of the following is NOT one of the steps in the scientific method? A. Analyze emotions B. Form a hypothesis C. Analyze results D. Make an observation

[Answered] All dinosaurs either took care of their young or did not. There is no evidence that some species of dinosaurs cared for their young while others did not. True or False

[Answered] The idea that most of us "only use 10 percent of our brain" is perhaps the greatest "neuromyth." (This myth is often declared by those selling a strategy or product that will supposedly help us use the other 90 percent.) How did this myth arise?

[Answered] Which of the following is a feature of the nucleoid? Answer Options: A. Directing cellular activities B. Having a sphere shape C. Storing prokaryotic genetic material D. Providing structural support

[Answered] Which of the following is a step in the scientific method? A. Testing hypotheses B. Guessing the answer C. Ignoring outliers D. Repeating traditions

[Answered] AGRICULTURAL SCIENCE 36. Which of the following is ODD? A. Chimpanzee B. Banana C. Plantain D. Yam E. Hibiscus 37. A very good example of non-food crop is A. rubber B. coffee C. groundnut D. sugarcane E. cocoa 38. An example of vitamin C is ......? A. salad B. lemon C. egg D. rice E. milk

[Answered] Plant cells have an organelle that stores water and metabolites called a A. mitochondria. B. cell wall. C. cell membrane. D. central vacuole.