<span>Information gathered from observing a plant grow 3 cm over a two-week period is called data</span>
Answer:
Water sample showing pink/purple color is an error.
Explanation:
Biuret is a blue color reagent that changes its color to pink/purple whenever it detects protein in a sample. Water don't contain proteins so it should not show pink/purple color instead it should maintain the blue color. Food items generally contain proteins so it show pink/purple color but it showed blue color.
Error might have caused by wrong marking of the samples, test tube marked with Water might contain a mystery food while Mystery food tube might contain water.
Its B cuz the definition is <span>one of two or more alternative forms of a gene.
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Answer:
Serotonin
Explanation:
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