Who originally discovered that bacteria could be changed by the ...

Who originally discovered that bacteria could be changed by the process of transformation although unable to determine what caused the transformation?

A. Griffith

B. Hershey & Chase

C. Avery

D. Franklin

Select your answer:

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Which structure extends posteriorly from the hard palate and is inferior to the nasopharynx?

A. larynx

B. vestibule

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D. external nares

E. internal nares

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What is the recommended frequency, intensity, and time to improve cardiorespiratory endurance?

A. 3-5 days/week, 51-65% max heart rate, 45 minutes/workout

B. 3-5 days/week, 51-65% max heart rate, 60 minutes/ workout

C. 5-7 days/week, 51-65% max heart rate, 45 minutes/workout

D. 5-7 days/week, 66-85% max heart rate, 60+ minutes/workout