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1) Assume you found out that organism 3 could cause pneumonia. Would this extra information support or decline your theory about identity of organism? Describe you answer in detail.

2) Which of the options given below is true about transition?

i) Placenta is delivered during transition.

ii) Mother feels the advice to push with her abdominal muscles during transition.

iii) Transition occurs for the relatively short period of time.

iv) Transition is the slightest painful part of labor and delivery.

3) If enzyme had the mutation in single amino acid which caused te active site to have a charged lysine residue in place of the non-polar leucine residue which is the most possible situation:

i) The substrate would go into active site and form the product, but products would be trapped.

ii) The substrate would no longer fit in active site, so enzyme specificity is lost.

iii) An allosteric activator would be needed to change shape of active site, allowing substrate to bind.

iv) The enzyme would need a metal ion, like Zinc (Zn) or Iron (Fe), in order to function normally.

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