1. GDP measures both the total income of everyone in the economy and the total expendi- ture on the economy's output of goods and services. GDP can measure two things at once because both are really the same thing: for an economy as a whole, income must al expenditure. As the circular flow diagram in the text illustrates, these are alter- native, equivalent ways of measuring the flow of dollars in the economy
DISCOVERy OF THE ROLE OF UBIQUITIN IN PROTEIN DEGRADATION HISTORICAL FACTS Courtesy of Sam Griffiths-Jones. Used with permission Source: \Peptide models for protein beta-sheets hD thesis, University of Nottingham, 2001 8(1975)Ubiquitin was first isolated by Gideon Goldstein and colleagues from the thymus(reason why it was originally thought to be a thymic hormone)
