SCIN 130 Quiz 4 - Questions, Answers and Feedback

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SCIN 130 Quiz 4. Questions And Answers. Complete Solution. A+ Graded.Question 1 of 31 3.0 Points What is the major difference during cytokinesis in eukaryotes with or without a cell wall?  A. cell ... plate in those without cell walls  B. cleavage furrow in those without cell walls  C. cytokinesis does not occur in cells without a cell wall  D. cytokinesis does not occur in cells with a cell wall Feedback: The cell wall means that cell division occurs with an additional structure, resulting from vesicles fusing on the cell wall. Review the cell cycle in Chapter 6. Question 2 of 31 3.0 Points During which stage in interphase does DNA synthesis occur?  A. S phase  B. G2 phase  C. G1 phase  D. Mitosis Feedback: Great job. Question 3 of 31 3.0 Points What is the phase that not all cells enter, but is a phase where cells are not actively dividing?  A. G2  B. S  C. G0  D. G1 Feedback: Some cells, either temporarily or permanently, are in a quiescent stage when they exit the cell cycle. Review the cell cycle in Chapter 6. Question 4 of 31 3.0 Points What is the purpose of overall purpose of mitosis?  A. To produce daughter cells  B. To accomplish cell division  C. To accomplish nuclear division  D. To produce gametes Feedback: The cell cycle is a continuous process in which the cell is prepping for division, replicating DNA and then the nucleus, finally dividing the cell. Review the cell cycle in Chapter 6. Question 5 of 31 3.0 Points What are oncogenes?  A. normal cells that are visible on an X-ray  B. genes that cause a cell to become cancerous  C. cells that cause a mass without negative effects  D. genes that are responsible for hair loss Feedback: Great job. Question 6 of 31 3.0 Points What is the purpose of checkpoints in the cell cycle?  A. to keep any foreign DNA out of the cell .................................CONTINUED............................. [Show More]

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