1.At the beginning of cellular respiration, energy is stored in the bonds of molecules. 2.At the end of cellular respiration, energy is stored in the bonds of molecules.

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.

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms

Which statement best compares aerobic and anaerobic respiration