Questions for Cellular Respiration


If you don’t get enough oxygen your cells will run out of NAD+ and won’t be able to make ATP anymore. Which of the following is a way that your cells can recycle NADH into NAD+?

 

         a. decarboxylation 

         b. phosphorylation

         c. fermentation 

         d. chemiosmosis


 The end-products of glycolysis are ____________.

 

         a. 2 acetyl CoA, 2 CO2, and 2 NADH 

         b. 2 acetyl CoA, 6 CO2, and 4 ATP

         c. 2 pyruvate, 4 ATP, and 4 NADH 

         d. 2 pyruvate, 2 ATP, and 2 NADH


In an ATP molecule energy which can be used in chemical reactions is held in the bond between _________.

 

         a. adenine and the 5 carbon sugar 

         b. the 5 carbon sugar and the first phosphate

         c. adenine and the first phosphate 

         d. the second and third phosphates


The reaction: Glucose + ATP —> Glucose-6-PO4 + ADP is an example of _________.

 

         a. decarboxylation 

         b. phosphorylation 

         c. oxidation 

         d. fermentation


In the process of chemiosmosis _________.

 

         a. glucose is split in half 

         b. pyruvate is converted to lactate

         c. H+ are pumped across a membrane 

         d. FADH2 is produced


If the cell has oxygen available, pyruvate is converted to _________.

 

         a. glucose 

         b. lactate 

         c. a 2 carbon acetyl + CO2  

         d. ethanol


The CO2 molecules produced during cellular respiration are formed through the process called _________.

 

         a. fermentation 

         b. phosphorylation 

         c. chemiosmosis 

         d. decarboxylation


Which of these is produced during glycolysis?

 

         a. NADH 

         b. CO2 

         c. FADH2 

         d. all of these


In the reaction: Pyruvate + NAD+ + CoA —> NADH + CO2 + acetyl CoA, which of the following is occurring?

 

         a. phosphorylation 

         b. decarboxylation 

         c. chemiosmosis 

         d. all of these



For each NADH made in the Kreb’s cycle how many ATPs are produced later?

 

         a. 1 

         b. 2 

         c. 3 

         d. 4


The energy of ATP that is used to run cellular reactions is stored in _____.

 

         a. the adenine part of ATP 

         b. the sugar part of ATP

         c. the bond between the adenine and the sugar

         d. the bond between phosphate number 2 and phosphate number 3


Select the correct overall equation for cellular respiration.


         a. C6H12O6 + 6 O2 -------> 6 CO2 + 6 H2O + 36 ATP + heat

         b. C6H12O6 + 6 CO2 -------> 6 O2 + 6 H2O + 36 ATP + heat

         c. C6H12O6 + 6 O2 + 6 CO2 -------> 6 H2O + 36 ATP + heat

         d. C6H12O6 -------> 6 O2 + 6 CO2 + 6 H2O + 36 ATP + heat


If a GLUCOSE molecule goes through aerobic respiration, what will be produced during the Kreb’s cycle?

 

         a. 6 CO2 + 6 NADH + 2 pyruvates 

         b. 2 pyruvates + 2 NADH + 2 ATP

         c. 6 NADH + 2 ATP + 2 FADH2 + 4 CO2 

         d. 6 CO2 + 6 NADH + 6 ATP