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6. Which of the following are true statements, assume molecule always refers to

ID: 203525 • Letter: 6

Question

6. Which of the following are true statements, assume molecule always refers to the ligand of the protein. A. If a protein has a Hill co-efficient of 2.0, it binds two molecules B. If a protein has a Hill co-efficient of 0.9, binding of one molecule inhibits binding of others. C. If a protein has a Hill co-efficient of 1.5, it must bind at least two molecules. D. If a protein has a Hill co-efficient of 1.25, ligand molecules are more likely to bind after one is already bound. E. If a protein has a Hill co-efficient of 1, it can only bind one molecule.

Explanation / Answer

B,C and D because if hill coefficient of 1 indicates independant binding, a value of greater than 1 shows positive co-operativity binding of 1 ligand ..So E can not be true