Correctly order the sequence that occurs in muscle contraction A. Ca release, actin sites exposed, myosin heads bind to actin, ADP and P release from myosin, ATP binds to myosin, ATP split
B. ATP binds to myosin, ATP split, Ca release, actin sites exposed, myosin heads bind to actin , ADP and P release from myosin.
C. Myosin heads bind to actin, Actin sites exposed, ATP split, ATP Binds to myosin, Ca released, ADP and P release from myosin.
D. Ca released, actin sites exposed, ADP and P release from myosin, myosin heads bind actin, ATP binds to myosin, ATP split

Read the following scenario to answer the following question. over the past 60 years, many amphibian species have experienced significant population declines, and some species have become extinct. scientists suspected that local human activities such as the destruction of wetlands, regional pollution, and deforestation were the main reasons for these losses. however, research over the past 20 years reveals significant amphibian population declines in protected areas of the world, such as nature preserves and parks. these global declines suggest widespread problems including increased ultraviolet radiation, acid rain, and disease. in switzerland, for example, 14 of the 20 native amphibian species are threatened with extinction. when most populations of a wide-ranging amphibian species are lost and the few remaining populations are widely separated, we expect to see that a. the founder effect becomes increasingly important b. microevolution no longer occurs c. gene flow between populations is reduced d. artificial selection becomes a greater factor in microevolution

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

List charasteristics of athenosphere