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25-10-2022
Biology

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which of the following statements is false? group of answer choices a-b-o antigens are present in all human blood. dried bloodstains may tentatively be identified as blood by a color test. all bloods contain the enzyme hemoglobin. the kastle-meyer test is used to determine whether blood is of human origin.

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BhavikaKukreja BhavikaKukreja

27-10-2022

The correct statement is the Kastle-Meyer test is used to determine whether blood is of human origin.

What is Kastle-Meyer test?

The Kastle-Meyer test is a presumed blood test that was initially introduced in 1903 and uses the chemical indicator phenolphthalein to look for potential hemoglobin present.

What does a Kastle-Meyer test do?

Since many years ago, the three-stage Kastle-Meyer (KM) test has been employed as a quick, presumptive test for blood. Using hydrogen peroxide to catalyze the oxidation of the indicator phenolphthalein, which turns it pink, the test determines the existence of hemoglobin's (heme) component.

Thus from above conclusion we can say that the correct statement is the Kastle-Meyer test is used to determine whether blood is of human origin.

Learn more about the Kastle-Meyer test here:

https://brainly.com/question/27111095

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