Cell Signaling Assignment 2

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Arizona State University *

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181

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Biology

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Apr 3, 2024

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3/23/24, 10:07 PM Cell Signaling Assignment 2: BIO 181: General Biology I (2024 Spring) https://canvas.asu.edu/courses/170670/quizzes/1282737?module_item_id=12175067 1/9 Cell Signaling Assignment 2 Due Mar 4 at 11:59pm Points 13 Questions 10 Available Feb 26 at 2:50pm - Mar 5 at 11:59pm Time Limit None Allowed Attempts 2 This quiz was locked Mar 5 at 11:59pm. Attempt History Attempt Time Score KEPT Attempt 2 24 minutes 10 out of 13 LATEST Attempt 2 24 minutes 10 out of 13 Attempt 1 44 minutes 10 out of 13 Score for this attempt: 10 out of 13 Submitted Mar 4 at 10:29pm This attempt took 24 minutes.  Question 1 1 / 1 pts In the 14th century, the bubonic plague killed more than 2/3 of Europeans. The plague was transmitted by fleas who were infected by rats and would inject a bacteria into the bloodstream that shuts down a person's immune system. While not as common today, the bubonic plague still exists, infecting around a thousand people a year. There are about seven cases in the United States each year, many of those in Arizona and New Mexico. Scientists have discovered that the bacteria works by affecting signaling pathways in the immune system.

3/23/24, 10:07 PM Cell Signaling Assignment 2: BIO 181: General Biology I (2024 Spring) https://canvas.asu.edu/courses/170670/quizzes/1282737?module_item_id=12175067 2/9 Correct! It is hydrophilic. It is hydrophobic.  Question 2 1 / 1 pts Correct! It is polar. It is nonpolar.  Question 3 1 / 1 pts Correct! response termination The bacteria uses a needle-like structure to create a physical pathway through the plasma membrane so the signaling molecule can enter the host cell's cytoplasm. This tells us what about the signaling molecule the bacteria releases? In the 14th century, the bubonic plague killed more than 2/3 of Europeans. The plague was transmitted by fleas who were infected by rats and would inject a bacteria into the bloodstream that shuts down a person's immune system. While not as common today, the bubonic plague still exists, infecting around a thousand people a year. There are about seven cases in the United States each year, many of those in Arizona and New Mexico. Scientists have discovered that the bacteria works by affecting signaling pathways in the immune system. The bacteria uses a needle-like structure to create a physical pathway through the plasma membrane so the signaling molecule can enter the host cell's cytoplasm. This tells us what about the signaling molecule the bacteria releases? In the 14th century, the bubonic plague killed more than 2/3 of Europeans. The plague was transmitted by fleas who were infected by rats and would inject a bacteria into the bloodstream that shuts down a person's immune system. While not as common today, the bubonic plague still exists, infecting around a thousand people a year. There are about seven cases in the United States each year, many of those in Arizona and New Mexico. Scientists have discovered that the bacteria works by affecting signaling pathways in the immune system. Scientists discovered that the bacteria causes a reduced response of the immune system. Based on this information, which part of the cell signaling pathway would you predict is being affected?

3/23/24, 10:07 PM Cell Signaling Assignment 2: BIO 181: General Biology I (2024 Spring) https://canvas.asu.edu/courses/170670/quizzes/1282737?module_item_id=12175067 3/9 reception transduction  Question 4 0 / 1 pts The bacteria is amplifying immune response. The bacteria is not affecting immune response. Correct Answer The bacteria is somehow affecting an immune response. You Answered The bacteria is preventing termination of immune response.  Question 5 0 / 1 pts In the 14th century, the bubonic plague killed more than 2/3 of Europeans. The plague was transmitted by fleas who were infected by rats and would inject a bacteria into the bloodstream that shuts down a person's immune system. While not as common today, the bubonic plague still exists, infecting around a thousand people a year. There are about seven cases in the United States each year, many of those in Arizona and New Mexico. Scientists have discovered that the bacteria works by affecting signaling pathways in the immune system. Scientists discovered that the bacteria causes a reduced response of the immune system. Based on this information, what would you predict is happening? In the 14th century, the bubonic plague killed more than 2/3 of Europeans. The plague was transmitted by fleas who were infected by rats and would inject a bacteria into the bloodstream that shuts down a person's immune system. While not as common today, the bubonic plague still exists, infecting around a thousand people a year. There are about seven cases in the United States each year, many of those in Arizona and New Mexico. Scientists have discovered that the bacteria works by affecting signaling pathways in the immune system. Based on what you know so far, which of these pathways do you think is the most likely?

3/23/24, 10:07 PM Cell Signaling Assignment 2: BIO 181: General Biology I (2024 Spring) https://canvas.asu.edu/courses/170670/quizzes/1282737?module_item_id=12175067 4/9 Correct Answer C A You Answered B  Question 6 2 / 2 pts A. B. C. In the 14th century, the bubonic plague killed more than 2/3 of Europeans. The plague was transmitted by fleas who were infected by rats and would inject a bacteria into the bloodstream that shuts down a person's immune system. While not as common today, the bubonic plague still exists, infecting around a thousand people a year. There are about seven cases in the United States each year, many of those in Arizona and New Mexico. Scientists have discovered that the bacteria works by affecting signaling pathways in the immune system.

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