Exam 6: Releasing Chemical Energy

Why are fats a better source of energy than carbohydrates on a per carbon basis?

Match each description with the corresponding term. -The next to the last step in this pathway is the formation of acetaldehyde. A)glycolysis B)alcoholic fermentation C)lactate fermentation D)the Krebs cycle E)electron transfer phosphorylation

The energy generated from the electron transfer chain during electron transfer phosphorylation is used to ____.

Which three-carbon molecule is produced by glycolysis and then enters the Krebs cycle after conversion to a two-carbon molecule?

Cellular respiration that requires oxygen is called ____.

In eukaryotes, the electron transfer chain of aerobic respiration is located ____.

During the Krebs cycle, energy is released ____.

Which component is not found in mitochondria?

One difference between aerobic respiration and fermentation is that in fermentation____.

Match each description with the corresponding term. -a pathway used by white muscle fibers A)glycolysis B)alcoholic fermentation C)lactate fermentation D)the Krebs cycle E)electron transfer phosphorylation

Fermentation reactions occur in the ____.

During aerobic respiration in mitochondria, glucose is converted to ATP. Match each description with the corresponding term or phrase. a.final acceptor of electrons b.transfer of electrons between molecules c.active transport of hydrogen ions to establish gradient d.hydrogen ions move down their concentration e.enzymatic phosphorylation -energy release

Which source of energy powers alcoholic fermentation?

The harvesting of energy from glucose to make ATP happens during ____.

Excess glucose in the human diet can result in accumulations of ____.

The bubbles in beer are ____.

Which product(s) are/is formed in lactate fermentation?

The ____ is located between the mitochondrial membranes.

When oxygen supplies run low, animal skeletal muscles________.

An imbalance of free radicals and antioxidants causes ____.