Which of the following statements is incorrec | vedclass

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(D) $1$. Glycerol is $CH_2OH-CHOH-CH_2OH$,which is indeed a trihydroxy propane.$2$. Cellulose does not contain complex helices like starch,so it canno

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Lipids are macromolecules.

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(D) $1$. Glycerol is $CH_2OH-CHOH-CH_2OH$,which is indeed a trihydroxy propane.$2$. Cellulose does not contain complex helices like starch,so it cannot hold iodine molecules and does not give a blue-black color with iodine.$3$. The normal blood glucose level in a healthy adult is indeed in the range of $4.2-6.1 \ mmol/L$.$4$. Lipids are not strictly macromolecules. Although they are found in the acid-insoluble fraction,their molecular weight does not exceed $800 \ Da$,whereas macromolecules typically have molecular weights in the range of $10,000 \ Da$ and above. Therefore,the statement that lipids are macromolecules is incorrect.

Which of the following statements is incorrect?

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