BCH5413 EXAM 1 ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS

BCH5413 EXAM 1 ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS 1. In the experiment described that supports DNA as the genetic material: a. Why does the mouse die if the researcher mixes the completely dead pathogenic strain with live non-pathogenic strain bacteria and then injects it into the mouse? (The first mouse in the figure). - Answer -- R strain has been transformed = now S strain ---- can produce virulence factors that make the S strain deadly to mice. -- pathogenic strain is killed, its DNA is released, and now floating freely can go into the R strain and TRANSFORM it.Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: 1. In the experiment described that supports DNA as the genetic material: b. What was the only scenario in which the mouse lives? Why? - Answer -- - When DNA of the S strain was destroyed -- DNA that caused the virulence factors is destroyed = no function 2. What were the contributions of Wilkins, Franklin, Watson, and Crick to the discovery of the structure of DNA? - Answer -Wilkins + Franklin = crystal X pattern of helix Watson + Crick = model of DNA structure 3. Based on the carbon numbering system for the sugar (1 - 5) that makes up DNA, describe the main component that is attached to each carbon and why it is important to the structure of DNA. - Answer -The next 5 questions are for this...3. In DNA, C1 is bonded to... This is important because... - Answer --- a nitrogenous base (adenine, guanine, cytosine, or thymine) -- this allows the nitrogenous bases t