1) Identify two differences between the bacteria and protist kingdom. 2) If you were testing the effects of different brands of fertilizer to detemine which one promoted best growth over six weeks. a) identify a negative control b) identify 2 controlled variables c) identify the ependent variable 3) Living organisms […]

Question: In a 1973-74 situation comedy “All in the Family”, the character Archie Bunker says: “Let me tell you something about beer: You can never buy beer, you can only rent it.” By that he meant that when you drink beer, you have to urinate a lot, and very soon. With […]

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 […]