FoundationalConceptsNeuroscience

The fourth and final category of biological molecule to be introduced here is that of the nucleic acids, represented by DNA (deo ...

CHAPTER 4 Genes and the History of Molecular Biology The molecular building materials for life are the biological molecules disc ...

into biology by proposing that all life is deeply related—having devel- oped over vast expanses of time from common origins—and ...

and gene appear to have been first used in the early years of the twen- tieth century. Although genes were somehow associated wi ...

quantum mechanics. Quantum mechanics represents a radically different description of what might be called physical reality. In p ...

any observation and that the job of physics is to describe, as best as possible, this reality. Bohr, taking the lessons of quant ...

Figure 4.1. Solvay Conference, Brussels, Belgium, 1927. In 1932 very little was known about the molecular components of living o ...

molecular processes that determine life, limits would be encountered that could not be negotiated using the currently known fram ...

around and about, and one eventually landed on the desk of Erwin Schrédinger (1887-1961), one of the principle architects of qua ...

to date, is likely to involve “other laws of physics” hitherto unknown, which, however, once they have been revealed, will form ...

procedures with which you could visualize individual virus particles; I mean you could put them on a plate with a lawn of bacter ...

tute in New York described experiments with pneumococcal bacteria demonstrating that DNA can carry genetic information from one ...

any sulfur atoms. Conversely, DNA contains phosphorus atoms and proteins do not. Thus, phages grown with radioactive sulfur woul ...

cell’s metabolic machinery, and produced copies of itself. However, in their experiment, Hershey and Chase did not allow the inf ...

Several scientists at the time were already investigating the molecular structure of DNA, and the results of the Hershey—Chase e ...

Guanine Cytosine Watson and Crick’s brief paper turned out to be one of the most impactful publications in the history of scienc ...

It would take another few years and the combined efforts of many investigators to work out the details of how genetic informatio ...

RNA, and where there is an Ain DNA, there would be a T in RNA. How- ever, for structural reasons thymine (T) does not occur in R ...

ACCHUCAAA CHA Cla TGGAA DNA GHA WeAAS Gr Transcription UGGAAG HP UGAAGSGU mRNA Translation Trp Lys Phe Glu Gly Protein Amino Aci ...

laws of physics.” Delbriick had set to work on physical mechanisms in genetics in part because of his interest in this possibili ...