26. Hypertrichosis, hairiness of the pinna of the inherited as a Y-inked recessi

Question

26. Hypertrichosis, hairiness of the pinna of the inherited as a Y-inked recessive in they farman with hypertrichosis marries a normal woman, what types of children may have? A) All of their children of both sexes have hypertrichosis. B) All the sons have hypertrichosis, but none of their daughters. C) Half of their sons, but none of their daughters will have hypertrichosis. D) All the daughters have hypertrichosis, but none of their sons. 27. fall of a cells enzymes suddenly became inactive, which of the following processes could still occur? A. aerobic cellular respiration B. diffusion across the cell membrane C. light-independent reactions of photosynthesis D. breakdown of hydrogen peroxide into liquid water and oxygen gas 28. HIV, the virus that causes AIDS, is transmitted by: A. coughing. B. sneezing. C. sharing bodily fluids such as semen or blood. D. insect bites. 29. Which of the following is NOT a characteristic of bacteria. A. Most live harmlessly on or in us. B. do not have their DNA located in a membrane-bound nucleus. C. There are thousands of different species of bacteria. D. reproduce slowly. 30. What is the average body temperature of human beings? Choose all that apply. 37°C 37°F 98.6°F 98.6°C 31. When a person has high blood sugar levels, the pancreas secretes insulin which causes cells to uptake glucose from the blood or to convert excess glucose into the more storable glycogen, preventing hyperglycemia. In this scenario, insulin is acting as a A. Sensor B. positive effector C. negative effector D. Controller. 32. Enzymes are proteins that slow down reactions EyeHaveNoldea speeds up a reaction by being completely consumed initiate reaction by lowering activation energy

Explanation / Answer

26 B: All the sons have hypertrichosis, but none of their daughters. Because the gene is Y linked, the women will never get it because they won't receive a Y chromosome, and all of the males will have it, because they have to receive a Y chromosome in order to be male

27. B. When the enzymes become inactive, no process like cellular respiration, photo synthesis or breakdown of any chemical can happen.

28. C. HIV is not a air-borne disease or even spread by insect bite. It spreads mainly by sharing body fluids such as semen or blood.

29. D. All other statements are true. Bacteria reproduce very fast.

30. A, C. Average body temperature is 37oC or 98.6oF, both the temperatures are same.

31. D. Insulin act as a controller. It is controlling the level of glucose in blood.

32. D. in reaction, enzymes initiate reactions by lowering the activation energy. These does not get consumed during reaction. These does not slow down the reaction.

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