For instance, two popular cuts, the pork shoulder roast and pork sirloin roast, are similar in name only. Proper preparation for your particular piece of pork ensures that for just a few dollars you will be eating high on the hog.
structural gene one that forms templates for messenger RNA and is thereby responsible for the amino acid sequence of specific polypeptides. tumor suppressor gene a gene whose function is to limit cell proliferation and loss of whose function leads to cell transformation and tumor growth; called also antioncogene.
A gene is a segment of DNA that codes for a polypeptide or for a molecule of RNA, such as a transfer RNA (tRNA) or ribosomal RNA (rRNA). The genes in the nucleus are in chromosomes. A chromosome consists of a molecule of DNA (two after replication of the DNA) and associated proteins. Genes are segments of DNA molecules.