Biology
Which is not a function of the cell membrane?

Keeps materials within the cell separated from the environment outside the cell
Helps control the movement of materials into and out of the cell
Helps substances pass from the cytoplasm into the nucleus
Allows the cell to change shape under pressure

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Biology
Which statement concerning the diagnosis of ADHD is true?

Boys are more likely to be diagnosed with ADHD than girls
Most children "outgrow" symptoms of ADHD
About 20 percent of school-age children are diagnosed with ADHD
Racial minority status is a good predictor of being diagnosed with ADHD

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