can someone check my answer

Question

anonymous · Answer

attachment

trancenova · Answer

Which of the following statements about starch is false? is incorrect

I'm not sure about  the last three questions (because I can't remember) but otherwise the rest are correct.

anonymous · Answer

The properties of starch are very similar to cellulose - wrong statement, as in this is the answer. They both have different roles, starch being used for energy and cellulose has a structural role.

anonymous · Answer

Carbohydrates never contain hydrogen. They are solely made of carbon, hydrogen and oxygen. On the other hand, nucleic acids (in the form of nitrogenous bases), proteins (in peptide linkages) and lipids (in certain phospolipids like choline) all contain nitrogen.

anonymous · Answer

*Carbohydrates never contain nitrogen. Sorry.

trancenova · Answer

Lol AR, you had me wondering for a moment there.

anonymous · Answer

:D been up since 6am studying biology. Valid excuse, right? :p

anonymous · Answer

Fats contain more saturated fatty acids, not unsaturated.

trancenova · Answer

Yep, definitely a valid excuse!

anonymous · Answer

Phospolipids are amphipathic i.e they have a non-polar part (hydrocarbon part) and a polar part (phosphoric acid).