When chemical, transport, or mechanical work is done by an organism, what happens to the heat generated?
a. it is used to power yet more cellular work
b. it is used to store energy as more atp
c. it is used to generate adp from nucleotide precursors
d. it is lost to the environment
e. it is transported to specific organs such as the brain

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament