Which of the following statements are likely to occur when a drug blocks beta-adrenergic receptors on the heart? (Select all that apply.)

a. Decrease heart rate
b. Increase calcium levels in heart cells
c. Decrease heart contractility
d. Increase cAMP


Answer:
a. Decrease heart rate
c. Decrease heart contractility

Biology & Microbiology

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The centromeres of sister chromatids uncouple and the chromatids separate in what meiotic phase?

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You have designed a drug able to transform skin cells into cells that secrete insulin. What accumulative aspect of the cell will the drug affect?

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Reverse-transcriptase PCR ____

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