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Reading Quiz 6 Cancer, Communication, Cell Cycle.docx

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Department
Biology
Course
BIOL 1000
Professor
All Professors
Semester
Summer

Description
Reading Quiz 6: Cancer, Communication, Cell Cycle This quiz is on Chapters 15 (15.4 only), 8, 9 Instructions o Click Save without submitting after answering each question; o Click Submit all and finish when finished with the quiz; o The timer runs overtop of the questions, so open a big enough window in order to clearly view the questions. o Leaving the quiz does not stop the timer! o Make sure that your browser is set to the recommended browser settings. For more information on browser settings, see:http://moodle.yorku.ca/students/ o If possible, use a cable connection, rather than wireless to reduce the likelihood of interruption while answering a question. Started on Sunday, 28 October 2012, 09:16 PM Completed on Sunday, 28 October 2012, 09:38 PM Time taken 22 mins 41 secs Marks 10.00/11.00 Grade 90.91 out of a maximum of 100.00 Question 1 Correct Mark 1.00 out of 1.00 0 qaid=798311&qub 0 Flag question Question text 3 During Prophase Select one: a. Chromosomes move to the cell equator. b. Sister chromatids separate c. Chromosomes condense d. Homologous chromosomes separate Feedback The correct answer is: Chromosomes condense Question 2 Incorrect Mark 0.00 out of 1.00 0 qaid=798309&qub 0 Flag question Question text 3 Once activated, cAMP is quickly degraded to AMP by ____, which results in switching off the signal pathway. Select one: a. diacylglycerol (DAG) b. phosphodiesterase c. adenylyl cyclase d. phospholipase C Feedback The correct answer is: phosphodiesterase Question 3 Correct Mark 1.00 out of 1.00 0 qaid=798316&qub 0 Flag question Question text 3 Which statement best describes the difference between cell division in plant and animal cells? Select one: a. In animal cells, but not plant cells, cytokinesis is accomplished by formation of a cleavage furrow. b. In plant cells, but not animal cells, cytokinesis is accomplished by formation of a cleavage furrow. c. In plant cells, centrosomes have an important role in spindle formation, while in animal cells centrosomes do not function during cell division. d. In animal cells, replication of chromosomes occurs during interphase, while in plant cells replication occurs when the nuclear envelope disintegrates. Feedback The correct answer is: In animal cells, but not plant cells, cytokinesis is accomplished by formation of a cleavage furrow. Question 4 Correct Mark 1.00 out of 1.00 0 qaid=798306&qub 0 Flag question Question text 3 The role of a tumour suppressor protein in a cell is to Select one: a. promote cell division. b. trigger apoptosis (programmed cell death) c. slow or halt cell division. d. allow ca
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