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The spindle checkpoint is a key mechanism that controls mitosis. Which of the following are functions of the spindle checkpoint? Preventing dephosphorylation by inactivation of mitotic phosphatases Sensing attachment of kinetochores to microtubules Protecting Cyclin B from degradation until the metaphase-to-anaphase transition Protecting cohesin from cleavage by separase until all chromosomes are attached

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Spindle checkpoint functions by protecting cohesin from cleavage by separase untill all chromosomes are attached

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