At present, cosmologists expect the universe to gradually stop its expansion and then begin to shrink in size gradually stop its expansion and then remain at a constant size continue to expand and heat up continue to expand and cool

What do all macromolecules have in common with each other? oa. they all are formed from the same elements. ob. they all have major roles in cell membranesoc. they all act as catalysts in the body. od. they all have peptide bonds between carbon atoms.

In "the pig," what is the main effect that the piglet initially has on kibuka?

Compare the parts of a cell and the cell as a whole to another common nonliving system (i. e., a car, a city, describe the parts of a cell and their primary function.