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AP Biology/Unit 4: Cell Communication and Cell Cycle
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Calculating Active Cell Receptors
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A cell’s plasma membrane contains 200 receptors. After treatment with a drug that inactivates 15% of these receptors, how many receptors remain active?

A

$$150\text{ receptors}$$

B

$$175\text{ receptors}$$

C

$$200\text{ receptors}$$

D

$$200 - 0.15 \times 200 = 170\text{ receptors}$$

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