Which of the following is true? Which of the following is true? Skeletal muscle fibers contain sarcomeres; smooth muscle fibers do not. Skeletal muscle lacks the coarse connective tissue sheaths that are found in smooth muscle. Smooth muscle lacks the thin and thick filaments characteristic of skeletal muscle. Skeletal muscle fibers tend to be shorter than smooth muscle fibers.

Photosynthesis converts light energy to chemical energy. which molecules are the end product of this transformation of energy in this reaction?

Which of the following is an advantage of solar energy?

In response to framton's dialogue about his health issues, mr. sappleton replies: "no? " said mr. sappleton, in a voice which only replaced a yawn at the last moment. then she suddenly brightened into alert not to what framton was saying. what does this statement reveal about how mrs. sappleton feels about framton? a) she finds him boring. b) she's happy he came by. c) she finds him annoying. d) she feels sorry for him