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1. How many phenotypic classes may be generated from athree-point testcross?A. (3)=27B. (2)=4C. (2)3=8D. (3)2=9E. It cannot be predicted. 2.__________ bacterial strainsrequire nutritional supplements in order to grow in a minimalmedium.A. HeterotropicB. PrototrophicC. PhototropicD. AutotrophicE. Auxotrophic 3. An arg-strain of E. coli istransformed with a plasmid carrying the wild-type (arg+) […]

Henri tested the effects of a blood pressure reducing drug and found that blood pressure dropped significantly in those treated but did not change in an untreated control group. What is a reasonable conclusion from this experiment? A. The results support the hypothesis that the drug reduced blood pressure.B. It […]

1) Refilling a toilet tank after a flush is an example of positive feedback 2) Intercellular fluid is considered a cell’s external environment when discussing homeostasis in the body 3) A person’s core temperature is not a variable since it can be held steady through homeostasis 4) Shivering is negatively […]

G for complete oxidation of glucose is -686 Kcal/Mole. According the G for ATP and number of ATP’s produced from the complete oxidation of glucose calculate the efficiency of biological oxidation of glucose by respiration. Considering caloric values of carbohydrates, fats and protein are 4 Kcal/g, 9 Kcal/g and 4 […]