Osteoporosis develops gradually over many years. 

Redox reactions involve one compound losing an electron while the other gains it.  Which reaction involves the loss of an electron?

Which step in the oxidation of glucose happens outside of the mitochondria?

What structure on the leaves of plants opens and closes to conserve water in dry conditions?

All portions of cellular respiration take place in the mitochondria.

The grana are stacks of what membrane?

The net movement of water towards a higher concentration gradient of molecules is known as:

The only place cellular respiration can be controlled (regulated) is during glycolysis.

What product of pyruvate oxidation enters the citric acid cycle?

Which part of the photosystem captures light using accessory pigments and transfers energy but not electrons to the next molecule?