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Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above
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Astudent poured a solution of bromothymol blue indicator into three test tubes. then he placed an aquatic plant in two of the test tubes, as shown below. he placed a stopper on each test tube and placed them all in the dark for 24 hours. bromothymol blue turns from blue to yellow in the presence of co2
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The migration of sperm into the uterus, where they can contact the ovum, is facilitated by the secre...
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