There are many compounds that have been advertised to reduce or delay aging. Resveratrol is a compound isolated from red grapes, and can be found in red wine. This compound is thought to have substantial effects in mammals, such as preventing the growth of tumors and reducing age-related diseases. Many studies have shown that resveratrol and its derivatives cause a cell-cycle arrest in S phase and induce apoptosis. A series of cultured cells have been analyzed for DNA content in the presence and absence of these compounds using a flow cytometer. Using the controls cells (dashed line), which of the following histograms better represents the DNA content of cells treated with the compounds? The X-axis shows relative DNA content.
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There are many compounds that have been advertised to reduce or delay aging. Resveratrol is a compound isolated from red grapes, and can be found in red wine. This compound is thought to have substantial effects in mammals, such as preventing the growth of tumors and reducing age-related diseases. Many studies have shown that resveratrol and its derivatives cause a cell-cycle arrest in S phase and induce apoptosis. A series of cultured cells have been analyzed for DNA content in the presence and absence of these compounds using a flow cytometer. Using the controls cells (dashed line), which of the following histograms better represents the DNA content of cells treated with the compounds? The X-axis shows relative DNA content. |
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