Exam 7: How Cells Release Chemical Energy

Use these molecules to label the major inputs and/or outputs of the Krebs cycle on the figure below. Figure 7.7 . -What molecule corresponds to the item labeled as "57" in the accompanying figure?​

Use the five compounds listed below for the following question.​ -This compound is utilized in alcoholic fermentation and lactate fermentation.

Use the five compounds listed below for the following question.​ -This compound is produced by fast-twitch muscle fibers.

The final step of the Krebs cycle regenerates ____.

Use the five processes listed below for the following question. -This process is responsible for the largest ATP production.

The electron transport chain begins when ____________________ or ____________________ are oxidized.

What process requires oxygen to function?

The breakdown of ____ yields acetyl-CoA and carbon dioxide.

What is the most important product of stage 2 of aerobic respiration?

Why do some muscle cells produce ATP via lactate fermentation?

In the conversion of pyruvate to ethanol, what is produced?

The energy used to generate most of the ATP formed in aerobic respiration is released when electrons are passed from NADH along a chain to ____.

Use the five compounds listed below for the following question.​ -This compound is an intermediate product of alcoholic fermentation but not lactate fermentation.

During the third stage of aerobic respiration, electrons and hydrogen ions released by the reactions of the first two stages are picked up by ____.

Aerobic respiration ____.

Use these molecules to label the major inputs and/or outputs of the Krebs cycle on the figure below. Figure 7.7 . -What molecule corresponds to the item labeled as "55" in the accompanying figure?​

Use the five processes listed below for the following question. -In this one-step process, the final product is lactate.

How many net ATP molecules are produced per molecule of glucose broken down during glycolysis?

Lactate fermentation transfers the electrons and hydrogen ions carried by NADH directly to ____.

In the mitochondria, hydrogen is actively pumped to the ____.