1. Determine if the following pairs of molecules are the same molecule, enantiomers, diastereomers, or constitutional isomers. a) b) .CI он OH Br HO HO, он OH Br c) OH OH d)

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Questions 16 and 17 please.

To the following statement, answer true or false and explain your answer. Q)All mixtures of chiral molecules are optically active

3. Classify the following as a lipid, carbohydrate, or amino acid: (EOCQ 58) CH,OC(CH,)12CH, CHOC(CH,),,CH, CH,0C(CH,),CH=CH(CH,),CH, a.

Please explain me.

this is one question, it just has multiple parts.

Please answer with complete explanation What forces of attracion hold the subunits in a quaternary structure?

Peptide bond structure is planar and has considerable double bond character permitting rotation about the peptide bond. True False

-Understand and be able to identify different interactions that factor into peptide/protein folding (e.g. hydrogen bonding, salt bridge interactions, disulfide bonding. Be able to predict these interactions given a peptide structure. -Understand basic molecular geometry in a peptide. What is the bond angle between amide N, C, and O atoms? Why is the angle like this?