Bio Through the selective permeability mechanism, the plasmic membrane


A. occurs only in multicellular organisms.
b. allows some materials to pass through and prevents the passage of others.
c. allows only the entry of water particles.
d. allows only the exit of metabolic debris.

If water were a non polar molecule, how would its properties be different ? a.) water would be a much lighter molecule b.) water would be able to climb up inside plants c.)water would not be able to form hydrogen bonds d.) water would stick together much more strongly

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

Where does the information about where each transcription factor binds originate?