Biological physics. Energy, information, life by Philip Nelson

By Philip Nelson

Physics and engineering departments are development learn courses in organic physics, yet earlier there has no longer been a synthesis of this dynamic box on the undergraduate point. Biological Physics makes a speciality of new leads to molecular automobiles, self-assembly, and single-molecule manipulation that experience revolutionized the sector lately, and integrates those subject matters with classical effects. The textual content additionally presents foundational fabric for the rising box of nanotechnology. The textual content is equipped round a self-contained center aimed at undergraduate scholars who've had 12 months of calculus-based physics. extra "Track-2" sections include extra complicated fabric for senior physics majors and graduate students.

Show description

Read or Download Biological physics. Energy, information, life PDF

Similar molecular biology books

Folding for the Synapse

Folding for the Synapse addresses the present view on how protein folding/misfolding and its legislation by way of molecular chaperones give a contribution to synapse functionality and disorder. Molecular chaperones keep watch over de novo protein folding. notwithstanding, there's expanding information that chaperones physiologically functionality to control protein-protein interplay cascades.

Guide to Electroporation and Electrofusion

Electroporation is a good technique to introduce macromolecules equivalent to DNA right into a big variety of cells. Electrofusion leads to the fusion of cells and will be used to provide genetic hybrids or hybridoma cells. advisor to Electroporation and Electrofusion is designed to serve the desires of scholars, skilled researchers, and beginners to the sphere.

Molecular Mechanisms Of Drug Action

During this ebook the ambitions of drug motion are the principal concentration - whether or not they be enzymes in a pathway or membrane-bound receptors and ion channels. This procedure distinguishes the booklet from others within the f ield which think of the topic as a rule when it comes to illness. ; The introductory bankruptcy is anxious with the elemental rules that hide enzyme inhibition and receptor binding by means of medications.

Lewin's Cells

The perfect textual content for undergraduate and graduate scholars in complicated mobilephone biology classes impressive technological advances within the final century have essentially altered the way in which we ask questions about biology, and undergraduate and graduate scholars should have the required instruments to enquire the area of the mobile.

Additional info for Biological physics. Energy, information, life

Example text

5). Visible structures include flagella (trailing to the right), the nucleoid (white region in center), and the thick, rigid cell wall. The flagella propel the bacterium by a mechanism discussed in Chapter 5; they are in turn driven by motors discussed in Chapter 11. (c) Human immunodeficiency virus. ] them to partition itself into separate compartments. (b) Cells use active transport to bring synthesized materials to particular destinations. (c) Biochemical processes are highly specific: Most are mediated by enzymes, which select one particular target molecule and leave the rest alone.

E. During exercise, the metabolic rate increases. Someone performing hard labor for 10 hours a day might need about 3500 kcal of food per day. Suppose the person does mechanical work at a steady rate of 50 W over 10 hours. We can define the body’s efficiency as the ratio of mechanical work done to excess energy intake (beyond the BMR calculated in (b)). Find this efficiency. 9 · 1026 W. At Earth this gives an incident energy flux 28 Chapter 1. 4 kW/m2 . In this problem we’ll investigate whether any other planets in our solar system could support the sort of water-based life we find on Earth.

Suppose it takes energy to break one of these bonds. Then the complete vaporization of 1 cm3 of liquid requires that we break all the bonds. The corresponding energy cost is Qvap × (1 cm3 ). Next consider a molecule on the surface of the fluid. It has only five bonds—the nearest neighbor on the top is missing (suppose this is a fluid–vacuum interface). Draw a picture to help you visualize this situation. Thus to create more surface area requires that we break some bonds. The energy needed to do that, divided by the new area created, is Σ.

Download PDF sample

Rated 4.49 of 5 – based on 15 votes