What is the function of muscle fiber cells?

Which of the following statements about archaea and bacteria is true? a. neither is single-celled. b. they both have nuclear membranes. c. neither reproduces by binary fission. d. they both lack a nuclear membrane.

What is the average speed of a car that traveled 300.0 miles in 5.5 hours

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic