The replication of DNA is known to be semi-conservative; the two srands are separated and each are replicated to form 2 daughter DNAs.
For more info, see: http://www.mansfield.ohio-state.edu/~sabedon/biol1060.htm
tRNA basically helps add on the amino acids This is known as translation. The whole mRNA production is called transcription. Once translation is complete, the polypeptide is spliced to remove introns (bits that are not wanted) and the remaining exons are joined together. Basically, the polypeptide has alternating introns and exons, and the introns are removed. A 5' cap and poly-A tail are added to the polypeptide to protect it from degrading- this is for eukaryotic (organisms that have nuclei in their cells) translation. In prokaryotes (eg. bacteria, any organism lacking a nucleus), the whole splicing, capping and tailing processes don't occur.
For more info, see: http://www.rpi.edu/dept/bcbp/molbiochem/MBWeb/mb2/part1/translate.htm
For more info, see: http://www.mansfield.ohio-state.edu/~sabedon/biol1060.htm
tRNA basically helps add on the amino acids This is known as translation. The whole mRNA production is called transcription. Once translation is complete, the polypeptide is spliced to remove introns (bits that are not wanted) and the remaining exons are joined together. Basically, the polypeptide has alternating introns and exons, and the introns are removed. A 5' cap and poly-A tail are added to the polypeptide to protect it from degrading- this is for eukaryotic (organisms that have nuclei in their cells) translation. In prokaryotes (eg. bacteria, any organism lacking a nucleus), the whole splicing, capping and tailing processes don't occur.
For more info, see: http://www.rpi.edu/dept/bcbp/molbiochem/MBWeb/mb2/part1/translate.htm
