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Previous Page Next Page Note: It is recommended that you save your response as you complete each question. Page 9 of 10 Question 16 (1 point) Which of the following statements about functional groups are correct? Functional groups important in biomolecules include amino groups (-NH2), carboxyl groups (-coOH), and hydroxyl groups (- OH) n The simple repeating units of a polymer are often based on a nonpolar core of carbon atoms. Polar functional groups attached to the polymer can make the polymer soluble in water. All functional groups, including -CH3 (methyl group) are polar Most functional groups are polar and reactive. giving particular chemical properties to the molecules to which they are attached Save Page 9 of 10 Pressinsus Pane Next Page

Explanation / Answer

The first statement is wrong because important functional group in biomolecule are carboxyl group, amino group, hydroxyl group, ether group, enol group, carbonyl group etc.

Second statement is correct because polymer are often based on core of carbon atoms and polar functional group attached to it makes them soluble in water.

Third statement is wrong because methyl group is not polar.

Fourth statement is correct because most functional groups are polar except methyl group and that makes them have particular chemical properties.

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