Question

Cellular Metabolism Lab

We will walk through the steps of Cellular Respiration in this activity. Please do not skip ahead or leave out steps. Fully taking the time to cut out, arrange the shapes, and answer the attached questions will help you to gain a deeper understanding of cellular respiration (the process of making energy, ATP, the major contributor to our overall metabolism). Pages 941-948 in you TEXTBOOK should help you answer the questions.

Grading Notes: You can either 1) Print out this document, add your answers and shapes to it, then scan the entire document for grading, or 2) Answer the questions on this template and upload images from your camera to the specified locations below. All blanks, images, tables, labels, etc. will be a part of your final grade. Worth 78 pts total

Before you begin, cut out all of the shapes on the accompanying document. Also, you will need five pieces of paper, to highlight the four steps of aerobic respiration and one for anaerobic respiration. You should have a sheet labeled; glycolysis, formation of acetyl-Co A, Krebs (Citric acid cycle), electron transport chain, and anaerobic respiration.

1. Glycolysis- The splitting of Glucose

1. To begin, cut out six carbon circles from the shapes sheet and arrange them to form glucose- a six carbon molecule.

2. Now cut your glucose molecule into 2 pyruvate molecules.

3. Insert an image of your two pyruvate molecules on the glycolysis sheet below. (Worth up to 2pts)

4. Where do the 2 molecules of NADH that are produced in glycolysis go? ____________

5. (make sure to move 1 of your NADHs to that sheet now; You will need the other for the next process)

6. Write out the final products of glycolysis. (order does not matter; 1 pt each)

7. 
   

   Glucose  _____________ + ______________+ __________________

Answer 1

Final products of glycolysis -

Glucose 2 Pyruvate + 2 NADH + 2 ATP

In the glycolysis process total 4 ATP are produced but 2 ATP are also used in the process , so net ATP production is 2 ATP molecules.