Mutation and Repair Quiz_ F23 Genetics (Bio Sci 97) Sections A & D

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11/5/23, 11:19 AM Mutation and Repair Quiz: F23 Genetics (Bio Sci 97) Sections A & D https://canvas.eee.uci.edu/courses/58168/quizzes/293325 1/3 Mutation and Repair Quiz Due Nov 5 at 11:59pm Points 5 Questions 4 Available Oct 30 at 3pm - Dec 10 at 11:59pm Time Limit None Instructions Attempt History Attempt Time Score LATEST Attempt 1 2 minutes 5 out of 5 Score for this quiz: 5 out of 5 Submitted Nov 4 at 3:16pm This attempt took 2 minutes. 1. Take this quiz after you have watched the pre-recorded lectures on Mutation and Repair of DNA, and done the associated reading in Chapter 11 of the textbook. 2. FOR THIS QUIZ YOU ONLY GET ONE ATTEMPT, SO ANSWER CAREFULLY 3. This quiz will be graded. 4. This quiz is not timed, but must be completed before the due date. 5. Disclaimer: This quiz does not query you about about everything you are expected to learn from the lecture and reading. Please refer to the Learning Objectives. 1 / 1 pts Question 1 Any time DNA is damaged, a mutation will result True False Correct! Correct!

11/5/23, 11:19 AM Mutation and Repair Quiz: F23 Genetics (Bio Sci 97) Sections A & D https://canvas.eee.uci.edu/courses/58168/quizzes/293325 2/3 DNA damage can often be repaired, and often this repair process is error free. In such cases, the damage does not become a permanent mutation. 1 / 1 pts Question 2 The vast majority of DNA damage is caused by man-made chemicals and man-made radiation True False Correct! Correct! Chemical reactions are happening in your cells all the time that might damage DNA. These are "natural" chemical reactions; they are not caused by man-made chemicals or man-made radiation. 1 / 1 pts Question 3 Typical DNA polymerases can correct (“proofread”) most of their own mistakes True Correct! Correct! False 2 / 2 pts Question 4

11/5/23, 11:19 AM Mutation and Repair Quiz: F23 Genetics (Bio Sci 97) Sections A & D https://canvas.eee.uci.edu/courses/58168/quizzes/293325 3/3 A single mutation occurs in the coding region of a gene and results in a non- functional gene product (protein). The type of mutation that most likely occurred (because it’s the type most likely to result in a non-functional gene product) is: Missense or silent Missense or nonsense Missense or frameshift Nonsense or frameshift Correct! Correct! Silent or nonsense This question asks "what types of mutations do you think are most likely to destroy protein function?" Quiz Score: 5 out of 5

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