Answer:
A catalyst is a chemical involved in, but not changed by, a chemical reaction. Many enzymes function by lowering the activation energy of reactions. By bringing the reactants closer together, chemical bonds may be weakened and reactions will proceed faster than without the catalyst.
DNA --> mRNA --> Ribosomes --> RER --> Golgi apparuatus --> Cell membrane
Explanation:
When DNA is transcribed by RNA polymerase, mRNA is made. The mRNA exits the nucleus and ends up in ribosomes into the cytoplasm of the cells. The ribosomes use the information on the mRNA to manufacture polypeptide chains. The peptide chains then enter the lumen of the Rough Endoplasmic Reticulum. Here the polypeptide chains are folded up with the help of chaperones into a 3d protein structure and post-translational modification is also conducted on the protein. The protein then transported to the Golgi from the ER using vesicles. In the Golgi, the proteins are tagged and packaged and sent to their destination using vesicles. If they are secretory proteins, the vesicles travel to the cell membrane fuse with it and empty the content outside the cell.
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