"1)The nucleotides in the backbone of DNA are held together by. bond.

"1)The nucleotides in the backbone of DNA are held together by...... bond. A)Phosphodiester B)Peptide C)Hydrogen D)glycosidic2)why do carboxylic acids have higher boiling points than similar alcohols or aldehydes? A) They have an additional oxygen atom. B)The carboxylic acid chain is not liner. C)They are more water soluble. D) They form dimers that are relatively stable.3) Cholestrol belongs to the ...... group of lipids.A)Steroid. B)Phospholipid C)Tricylglycerol D)Wax E)Phostaglandin.4)Write the reaction for neutralization of b-hydroxybutyric acid with NaOH.5)Carbon monoxide binds to hemoglobin 140 times more strongly than oxygen does. what does this tell you about the equilibrium constants for the two reactions of hemogolobin with carbon monoxide and oxygen?A) the equilibrium constant for the binding of qxygen is greater. B) The concentration of carbon monoxide at equilibrium is twice that of oxygen. C) The equilibrium constant for the binding of CO is greater. D)Oxygen and carbon monoxide have the same formula mass. E)oxygen and carbon monoxide react with hemoglobin in different fashions.6)How do sugars form cyclic hemiacetals?A)A molecule of sugars reacts with itself. B) A molecule of sugar reacts with an added aldehyde.C)Two molecules of sugar react with one another. D)A molecule of sugar reacts with an added alcohol. E) A sugar molecule decomposes.TOTAL Question (Five Multiple Choice)+ 1 ( Formula writing)"

bout question 4(Functional group of amino acid would be ionized at high pH) ,I'm notsteal clear,Please pick one of the below as answer:A)-COOH B)-CH2OH c) -CH3 D)CONH2 E) -CH2-(Attached to...