If strains 1 and 2 conjugate and are plated on minimal medium, cells growing on the minimal medium will have the

genotype ____.



a. bio- met- thr- leu+
b. bio+ met+ thr+ leu+
c. bio+ met- thr- leu+
d. bio+ met+ thr- leu+
e. bio- met- thr- leu-


ANSWER: b

Biology & Microbiology

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NAD carries ____ to the electron transport system. 

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