Which of the following statements about 2,3-bisphosphoglycerate (2,3-BPG) are true? 2,3-BPG lowers the affinity of myoglobin for oxygen. 2,3-BPG stabilizes the T-state of hemoglobin. 2,3-BPG has a lower affinity for HbF than for HbA. 2,3-BPG lowers the affinity of hemoglobin for oxygen. 2,3-BPG is present at about 5 mM in the blood plasma.

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QUESTION 1 Stochastic effects refer to adverse health consequences which accrue over prolonged periods of time. O True O False QUESTION 2 Non-ionizing radiation is powerful enough to actually remove electrons from atoms. O True O False QUESTION 3 Hormesis refers to the beliet that exposure to low levels of radiation is sometimes beneficial O True O False QUESTION 4 One effective protection of the population against the risks of man-made radiation exposuro is to limit oxposure to cases where the benefits outweigh the risks. O True O False QUESTION 5 Which of the folowing represents ionizing radiation? O sound waves O microwaves O radio waves QUESTION 5 Which of the following represents ionizing radiation? O sound waves O microwaves O radio waves O None of these represent ionizing radiation. QUESTION 6 Which of the following is particle radiation? O gamma-ray O beta-radiation O x-ray O None of these is particlo tadiation

Question 3 1. The mother has type O blood and the father is heterozygous for Type'A blood. Use o and A for the alleles. These parents have a % chance of having a child with type O blood. О 50 O 100 25