Substances can move into and out of cells through the cell membrane. The three main types of movement are diffusion, osmosis and active transport. 1  1. 2  2. 3  3. 4  4.
Definition. noun. Abbreviated form for messenger ribonucleic acid, the type of RNA that codes for the chemical blueprint for a protein (during protein synthesis). Supplement. In prokaryotes, mRNA is produced by splicing a large primary transcript from a DNA sequence.
What roles does an mRNA molecule play in the flow of protein for protein synthesis? mRNA is the temporary copy of a gene that encodes a protein. It provides the pattern that determines the order in which amino acids are added to the protein being made (aka translation)