19. What is the difference between the attaching of chromosomes to the microtubu

Question

19. What is the difference between the attaching of chromosomes to the microtubules in prometaphase and the attachment of sister chromatids to kinetochore microtubules in metaphase? A. All of the chromosomes are attached during prometaphase, but not necessarily in metapl B. Prometaphase is early attachment, so some chromosomes may attach to sides of microt C. Only one pole attaches to the chromosomes in D. During prometaphase the chromosomes are not duplicated yet, but they are in metaphase prometaphase, then the other in metaphase. Which of the following would be the correct result for the pathway as shown? How about if GTPase B was absent? Receptor Phosphatase A Kinase 1 GTPase 8 Phosphatase 8 HDAC remodeling A. Chromatin remodeling occursno chromatin remodeling. B. Chromatin remodeling inhibitedno chromatin remodeling C. Chromatin remodeling occurs chromatin remodeling still occurs. D. Chromatin remodeling inhibited chromatin remodeling occurs. E. Pathway cannot be correct as written because no kinases are activators

Explanation / Answer

1. Prometaphase is early attachment so some chromosomes may attach to sides of microtubules.

2. A. chromatin modelling occurs :no chromatin remodelling

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