Which statement best describes how channel and carrier proteins in the plasma membrane are similar?

both directly connect the membrane to the nucleus of a cell.

both cause the phospholipid bilayer to form a rigid membrane for a cell.

both use energy to continuously move water molecules out of a cell.

both allow for the flow of molecules into and out of the cell.

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