biochemistry 爸爸爸爸爸爸爸爸爸爸爸爸爸爸吧

The basic building blocks of peptides and proteins are amino acids.Two amino acids take part in condensation reaction to form dipeptide.The link formed between amino acids is called peptide linkage.Dipeptides can react with amino acids or peptides in the same way to form longer peptides,called polypeptides.When they're very big,they are called proteins.

用你自己的话所描述的过程,氨基酸combide起来,形成一个单一的结构,首先由两个氨基酸,后来出现了各种氨基酸。使用下列词汇在你的描述:肽链、种、多肽、condesation反应。