Energy stored in the bonds that hold together the atoms and molecules of all substances is called a. kinetic energy. b. electrical energy. c. mechanical energy. d. chemical energy.

Amylase is an enzyme found in the human digestive system. why do you think it was important to keep the enzyme temperature about 37 degrees celsius (98.6 degrees f)? describe what might happened the temperature decreased by 10 degrees celsius.

What is the relationship between absorbance of light and the rate of photosynthesis?

There are fewer than 100 naturally occurring elements in the universe, but there are millions of different unified substances. explain how this can be true.