The construction of cells DNA or RNA Protein Carbohydrates Lipid etc. 04.

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Presentation transcript:

The construction of cells DNA or RNA Protein Carbohydrates Lipid etc. 04

Amino Acid Sequences of Cytochromes c from 38 species

A phylogenetic tree of cytochrome c

Isoelectric point of protein pH < pI Protein is positive charge. pH > pI Protein is negative charge.

One subunit of the enzyme glyceraldehyde-3-phosphate dehydrogenase from Bacillus stearothermophilus.

Major biological functions of protein Catalytic proteins: A+B C Structural proteins Transport proteins Regulatory proteins Protective proteins : antibodies enzyme