Bollworms raised for decades in a lab without exposure to Bt were while those fed Bt were .

A. Rr; rr
B. rr; RR
C. Rr; RR
D. RR; rr
E. RR; Rr


D. RR; rr

Biology & Microbiology

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People who can taste PTC are more likely than non-tasters to dislike broccoli and Brussels sprouts

a. True b. False

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What would happen to the carbon cycle if all decomposers suddenly died and were not replenished?

What will be an ideal response?

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An inhibitor of phosphodiesterase activity would have which of the following effects?

A) block the response of epinephrine B) decrease the amount of cAMP in the cytoplasm C) block the activation of G proteins in response to epinephrine binding to its receptor D) prolong the effect of epinephrine by maintaining elevated cAMP levels in the cytoplasm E) block the activation of protein kinase A

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