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Author Question: A red-purple pigment is an example of a(n) a. anthocyanin. b. anthoxanthin. c. astaxanthin. d. ... (Read 103 times) |
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
The absorption of light energy by pigment molecules in the light-harvesting complex, and the path th
Enhanced photomicrograph showing a macrophage (purple) attack- ing bacillus Escherichia coli (green)