b.) What is the likely function of this molecule? c.) Is this lipid saturated or

Question

b.) What is the likely function of this molecule?
c.) Is this lipid saturated or unsaturated? How can you tell?
d.) Would this lipid likely be a solid or liquid at room temperature? How can you tell?
e.) Can this lipid undergo hydrogenation? How do you know? What is a possible reason for hydrogenating a lipid?
f.) Draw the structures for the products of acid hydrolysis of this lipid.
g.) Classify the fatty acid as SFA, MUFA, or PUFA.
h.) Give numerical shorthand and "?" designation for the fatty acid products.
i.) To which "omega" (?) family does each fatty acid belong (if any)?

Explanation / Answer

a) The given structure is a triglyceride ( triglycerol) .

Fatty acid: Fatty acid are long chain hydrocarbon with a polar group ( carboxyic acid )

Phopholipids: it consist of phophate group .

b) Triglycerides are a kind of lipid which is used for storag of energy in the body.

c) The given lipid is unsaturated ( as it contains double bonds)

d) Unsaturated lipids have generally low melting point so likely to be liquid at room temperature

e ) a lipid undergo hydrogenation if it contains double bond ( the double bonds react with hydrogen and get reduced) so the lipid will undergo hydrogenation ( three double bonds are present)

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