Biology 10th Edition by Eldra Solomon,Charles Martin,Diana Martin,Linda Berg

تمرين 12

Make a prediction and devise a suitably controlled experiment to test each of the following hypotheses: a) A type of mold found in your garden produces an effective antibiotic.
b) The growth rate of a bean seedling is affected by temperature.
c) Estrogen alleviates symptoms of Alzheimer's disease in elderly women.