Paul Andersen explains the structure and importance of proteins.
He describes how proteins are created from amino acids connected by dehydration synthesis.
the importance and structure of nucleic acids
an introduction to DNA and RNA. the important parts of a nucleotide
and shows how they are connected through covalent and hydrogen bonding.
شرح درس Proteins and nucleic acids أحياء لغات أولى ثانوى (منتديات ماميتو التعليميه)