BIO

PART A

Assignment 3 (COSHI) 

Using the topic of interest you chose, visit the FSU Library online databases or other reputable databases to develop a reference page for your topic. Research at least 10 peer reviewed articles to use as references. Once you gather your references, ask AI (ChatGPT, etc.) to provide citations on the topic you are investigating. Discuss how accurate and reliable the citations are. Write at least one page discussing the accuracy and reliability of the citations, discuss if AI generated citations that are out dated and what are measures you can take when using AI to ensure accurate work.

Your paper should distinguish which references you developed and the one generated by AI. Failure to include all references will reduce your score

PART B

Discussion Post: The Mystery of the Seven Deaths

Read all sections of the case study attached:  A case study in cellular respiration.pdf Download A case study in cellular respiration.pdf

 

· Part I: The Symptoms

· Part II: The Autopsy Report

· Part III: Subcellular Metabolite Analysis

· Part IV: The Role of Cyanide

and watch the video:  https://www.youtube.com/watch?v=M3KRLVxN8OELinks to an external site.

YOUR MISSION: In this case, each of you are medical examiners that investigates suspicious deaths and provide toxicology services for the county. In the past five days, seven people have died, all with similar symptoms. It is your job to examine the data and determine the cause of death for these victims. 

YOUR TASK: Choose Part II, III or IV in the case study and provide your analysis (Write a full paragraph with complete sentences) of the answers to the questions provided  and respond to one other peer's analysis for full credit.

BELOW ARE 2 STUDENTS POST TO REPLY TO

Aishalizz El Azouazi

After reviewing the autopsy results and toxicology reports, I believe cyanide poisoning was the cause of death for all seven victims. Cyanide affects cellular respiration by binding to cytochrome c oxidase in the electron transport chain, preventing electrons from being transferred to oxygen. This stops the electron transport chain from functioning properly and prevents the mitochondria from producing enough ATP, which is the energy cells need to survive. Even though the victims had normal or elevated oxygen levels in their blood, their cells could not use that oxygen because cyanide blocked the process. This explains why they experienced a lack of oxygen at the cellular level and eventually died. I do not believe artificial respiration or additional oxygen alone would have saved them because the problem was not a lack of oxygen entering the body but the cells' inability to use it. Looking at the victims' symptoms and the fact that several had taken Tylenol before becoming sick, I would investigate the possibility that cyanide had been deliberately placed inside Tylenol capsules. Public health officials should immediately warn the community, remove potentially contaminated products from stores, and investigate the affected batches. Police should collect evidence, test the products, and determine who may be responsible. As a medical examiner, I would consider this a serious public health emergency because more people could die if the contaminated products remain available.

+_____________________________________________________________________________

Part IV – The Role of Cyanide DESIRE

After reviewing the case study and the video, I believe cyanide poisoning was the cause of death for all seven victims. Cyanide affects the electron transport chain by stopping cells from using oxygen to make ATP, which is the energy cells need to function. Without enough ATP, the cells cannot do their jobs properly and eventually die. Even though the patients had normal oxygen levels in their blood, their cells could not use the oxygen because cyanide blocked the process. This explains why they died from a lack of oxygen even though their blood oxygen levels were normal. Giving the patients extra oxygen or using artificial respiration would not have saved them because the problem was not a lack of oxygen in their blood, but their cells being unable to use it. I believe the possible source of the poisoning was contaminated Tylenol capsules because some of the victims took Tylenol before becoming sick. Public health officials and police should investigate the medication, warn the public, remove any possibly contaminated products from stores, and find out who was responsible. This would help protect other people and prevent more deaths.

PART C

Cell Respiration Concept Map

Cellular Respiration is an important biological process that work together to provide energy for living organisms.  In cellular respiration, oxygen is consumed during the breakdown of organic molecules to carbon dioxide and water and energy is released. Throughout the field of biology, it can be helpful to use schematic illustrations such as concept maps to organize how all of the different pieces of the puzzle fit together in relation to one another. This exercise of concept mapping is an excellent way to begin making connections and develop an understanding of the "big picture". 

Watch the following video on concept maps: 

Concept Map Video https://www.youtube.com/watch?v=sZJj6DwCqSU

For this exercise,  Draw a concept map by hand on cell respiration. Please use the key terms below to create a concept map describing the connections between the terms. Note that there are many possible "correct" connections.  Additionally,  write a paragraph that describes the concept map. Once completed, take a picture of your concept map and post it along with the descriptive paragraph. For an extra bonus point, respond to one of your peer's concept map.   

Check out examples here------------------> Concept Map Examples

 

Directions: Choose either A or B of key terms to create your concept map. You can use other terms in addition to the ones listed below. 

 Key Terms for Cellular Respiration

A. Glycolysis, Pyruvate Oxidation and Citric Acid Cycle, Oxidative Phosphorylation, Oxygen, Glucose, Carbon Dioxide, Electron Transport Chain, Water, ATP Synthase, ATP , NADH, Reduction 

or choose

Key Terms for Cell Respiration and Connections to Case Study 

B. Cellular respiration; hypoxia; blood oxygen; metabolic pathway; metabolite; pyruvate, acetyl coenzyme A; NADH; cytochrome c oxidase; electron transport chain; adenosine triphosphate; ATP; product tampering; cyanide poisoning; Tylenol