Vitamin $E$ helps in

The long chain structure of a fatty acid molecule is formed by . . . . . . .

$A$: Lipoproteins are complex lipids and conjugated proteins.
$R$: The structure of lipoproteins is formed by fatty acids,alcohols,and amino acids.

What type of fatty acids are present in vegetable ghee and coconut oil,respectively?

What is cholesterol?

Following are the statements with reference to 'lipids'.
$(a)$ Lipids having only single bonds are called unsaturated fatty acids.
$(b)$ Lecithin is a phospholipid.
$(c)$ Trihydroxy propane is glycerol.
$(d)$ Palmitic acid has $20$ carbon atoms including carboxyl carbon.
$(e)$ Arachidonic acid has $16$ carbon atoms.
Choose the correct answer from the options given below.