Metabolism and Energetics

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For each glucose molecule converted to two pyruvates, the anaerobic reaction sequence in glycolysis provides a net gain of __________.

2 ATP for the cell

The production of ATP provides energy to support anabolism as well as other cell functions. Which of the following is NOT supported by energy from ATP?

A. Movement and contraction of muscles *** B. All of the listed functions are supported by ATP. .C. Transport of chemicals into and out of the cell .D. Cell division

When considering the chemicals in the nutrient pool, which chemical is LEAST likely to be broken down to supply energy for the cell?

Amino Acids

The efficiency rate for the complete catabolism of glucose is about __________.

42%

Where in the cell does the electron transport chain occur?

Inner mitochondrial membrane

Which part of the cell is most heavily involved in energetics?

Mitochondria

What chemical in the catabolism of glucose enters the mitochondria?

pyruvate

All nutrients can be used by the mitochondria to provide energy. In what form are these nutrients "fed" into the mitochondria?

two carbon- fragments


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