GENE 500 Study Guide - Midterm Guide: Dna Replication, Ribonucleoside, Ester
Document Summary
Transcription: the 4-base dna code is copied into pre-mrna via polymerization of ribonucleoside triphosphate monomers (rntps) Rna processing: removal of non-coding sequences and other modifications occur to the pre- mrna this leads to the production of a functional mrna, which is then transported to the cytoplasm. Dna replication: this only occurs in cells that are preparing to divide dntps are polymerized to yield 2 identical copies of each chromosomal dna molecule; each daughter cell receives one of the identical copies. Dna consists of two associated polynucleotide strands that wind together to form a double helix. The two sugar phosphate backbones are on the outside of the double helix, and the bases project into the interior. The base pairs are almost parallel and there are 10 base pairs per turn of dna. Most dna in cells takes the form of a right-handed helix.
