are peptides made from repeating units of amino acids or (amides and acids)?

Question

are peptides made from repeating units of amino acids or   (amides and acids)?

anonymous · Answer

I know that protiens is made from two amino acids but they are not the same because one has an amide end and the other has a carboxyl end so....

somy · Answer

no

somy · Answer

An amino acid 
EACH has amine end and carboxyl end 
(except proline- its amine group is bonded to its side chain)

anonymous · Answer

oh so its repeating unites of amino acids...

somy · Answer

somy · Answer

R group is only distinct difference between amino acids

somy · Answer

yes thats right

anonymous · Answer

ok thank you!

anonymous · Answer

oh and one more question,   in order to have an addition polymerization, does it have to have a double or triple bond?

somy · Answer

double or triple between what? polymerzation of what?

anonymous · Answer

between carbon atoms, just any monomers that contain double or triple bonds

anonymous · Answer

like I know something like this can ..|dw:1426531668710:dw|     

but what about something like this |dw:1426531690485:dw|