Cellular respiration reactions are catalyzed by
a. carbohydrate molecules
b. protein molecules
c. cholesterol molecules
d. glucose molecules

2. how does the miller-urey experiment fall short of demonstrating that life can arise from inorganic molecules? explain. a. it doesn't show a leap between a collection of amino acids and a single-celled organism. b. it recreates the conditions that existed at the earth's beginning, but no molecules form as a result. c. it doesn't provide evidence of the formation of amino acids. d. it doesn't show how multicellular organisms developed from unicellular organisms

Several billion years ago which gas was the least prevailant in the atmosphere

The function of the ciliary escalator is to