The construction of cells DNA or RNA Protein Carbohydrates Lipid etc.
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The construction of cells •DNA or RNA •Protein •Carbohydrates •Lipid etc.
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19-Dec-2015 -
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Transcript of The construction of cells DNA or RNA Protein Carbohydrates Lipid etc.
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