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.
cell nucleus. Messenger RNA (mRNA) is the molecule that, when copied from DNA genes in the nucleus, carries genetic information into the cell where it is used to build proteins. Co-authors on the article are Audrey Odom, also of Duke, and Robert Murphy, Eric Ives and Susan Wente of Washington University School of Medicine. York is an assistant professor