Which rna molecule carries amino acids from the cytoplasm to the ribosomes in order to create a polypeptide chains (protein)?
a
rna polymerase
b
ribosomal rna
c
transfer rna
d
messenger rna

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.