Your life needs to understand
The reason why people live tired, is not fit the shelf, tear can not open face, untied plot (the reason is very simple)In the past
The secondary structure of DNA
모모DNA double helix structure is an important form of DNA secondary structure. It is a structural model put forward by Watson and Crick in 1953.This
Knowledge of Biology-protein
Protein is a substance with a certain spatial structure, which is formed by the zigzag folding of polypeptide chains composed of amino acids in the
Face a small universe
Summer dusk, I sit with an old Chinese medicine in the breeze slowly chatting the river. Suddenly, the old man stared at my face for
The secondary structure of DNA
모모DNA double helix structure is an important form of DNA secondary structure. It is a structural model put forward by Watson and Crick in 1953.As
There are amino groups and carboxyl groups in protein molecules
Protein is a polymer compound composed of α -amino acids through peptide bonds, and there are amino groups and carboxyl groups in protein molecules, so
Close the earth ‘s ears
Bed is probably the most consumption life time place! A day in addition to a third of the sleep time, the other a lot of
Superspiral structure of DNA
The supercoiled structure formed by the further spiral of DNA molecules is called the tertiary structure of DNA.By comparison, it can be seen that small
Knowledge of Biology-protein
Protein is a substance with a certain spatial structure, which is formed by the zigzag folding of polypeptide chains composed of amino acids in the
Close the earth ‘s ears
Bed is probably the most consumption life time place! A day in addition to a third of the sleep time, the other a lot of