Biology, 12.03.2020 00:02 lishalarrickougdzr
How did researchers prove that some genes needed for tooth development are still present in chicken and that all it takes for teeth-like structures to be formed is the expression of a regulatory gene
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How do the evolutionary chart and the video support the claim that all living things are made up of cells?
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Define the apical impulse and describe its normal location, size, and duration. which abnormal conditions may affect the location of the apical impulse? explain the mechanism producing normal first and second heart sounds. describe the effect of respiration on the heart sounds. describe the characteristics of the first heart sound and its intensity at the apex of the heart and at the base. describe the characteristics of the second heart sound and its intensity at the apex of the heart and at the base.
Answers: 1
How did researchers prove that some genes needed for tooth development are still present in chicken...
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