E they are all correct which of the following about

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Unformatted text preview: llowing EXCEPT: A) B) C) D) E) 20. accumulation of PI 4,5 ­bisphosphate decrease abundance of DAG decrease abundance of IP3 decreased protein kinase C activity increased calcium level in the cytosol Which of the following is INCORRECT regarding the fight or flight response (to adrenaline) in a muscle cell? A) B) C) D) E) 21. Astral microtubules play a role in centrosome separation Kinetochore microtubules are important for spindle elongation during anaphase B Interpolar microtubules play a role in chromosome alignment during congression Astral microtubules can help to position the site of cytokinesis Each human kinetochore can attach to multiple microtubules Adenylyl cyclase becomes activated Glycogen phosphorylase (that breaks down glycogen) becomes activated PKA dissociates from its regulatory (inhibitory) subunit cAMP binds the transcription factor CREB to promote transcription of a set of genes None of the above (i.e., they are all correct) Which of the following about PI 3...
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