Which of the following statements is not correct?

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The phosphate group in phospholipid forms the hydrophilic head on the molecule

Two fatty acids chains constitute the hydrophobic heads on the molecule

Phospholipids are good emulsifying molecules

Waxes are the examples of phospholipids

answer is D.

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Detailed Solution

Correct option is D)

(A) The polar phosphate group in phospholipids form the hydrophilic head of the molecule. They attract water molecules. Thus, the option A is correct.

(B)Two non polar fatty acids chain in phospholipids constitute the hydrophobic head of the molecule. They attract oil molecules. Thus, the option B is correct.

(C) Phospholipids are emulsifiers. For example, Lecithion phospholipid present in eggs has emulsifying property which makes egg useful in ice cream manufacture. Thus, the option C is correct.

(D) Waxes are esters of long chain carboxylic acids with long chain alcohols. So, they do not contain phosphate groups. Thus, option D is incorrect.

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