Investigator a conducts research on emphysema using biospecimens from human subjects. The consent form indicates that the research will focus exclusively on emphysema. Investigator b wishes to use the biospecimens for research on lung cancer. Can investigator b use the specimens for cancer research without re-consent if the specimens are de-identified?
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After recovering from infection of ringworm, Reena thought that all fungi are harmful for human kind, as these spoil food and cause various diseases. But her elder sister told him that not all fungi are harmful, some are quite useful such as in making bread, vitamins, Medicines (antibiotics) and in decomposing organic wastes.
(i) Name any fungus which is used in bread making.
(ii) Name any fungus which is the source of some medicine.
​(iii) What ecological benefit is shown by fungi?
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