What is the crucial role of weak chemical bonds in the organization of living materials?

May 31st, 2009 | by bonds |
F D asked:


What is the crucial role of weak chemical bonds (like ionic, hydrogenm abd van den waals interactions) in the organization of living materials?

JORGE
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  1. 2 Responses to “What is the crucial role of weak chemical bonds in the organization of living materials?”

  2. By Dima on Jun 3, 2009 | Reply

    JAYSON

    Stuy right? the following websites should help:

    how long is your paper?

    also: Intermolecular forces are feeble; but without them, life as we know it would be impossible. Water would not condense from vapor into solid or liquid forms if its molecules didn’t attract each other. Intermolecular forces are responsible for many properties of molecular compounds, including crystal structures (e. g. the shapes of snowflakes), melting points, boiling points, heats of fusion and vaporization, surface tension, and densities. Intermolecular forces pin gigantic molecules like enzymes, proteins, and DNA into the shapes required for biological activity.

  3. By hypernova on Jun 4, 2009 | Reply

    JEFFEREY

    Firstly, put ionic bond out of weak bonds, as they are really very strong.

    For weak bonds, do you know that different base pairs in the DNA are joined to each other by hydrogen bonds ?? And that DNA forms all sorts of life?? The basis of all life forms is the DNA, the genetic material. (in most cases)

    Also, in the DNA, the hydrogen bonds between the base pairs give stability to the structure. But additional stability is given by the vanderwaal forces of attraction that exists between the base pairs. Actually the base pairs, i can say, are present in the form of two plates - one over the other, so the surface area is more, and therefore, vander waals forces play an important role.

    Stability of the DNA means a LOT to life. As it guarantees that a living organism will have a genetic material that will survive through its life span and further. Otherwise, some viruses which have RNA (less stable, hence more reactive) as genetic material have very short life spans. This assures that DNA can be replicated in the right way, to be transferred to the next generation through cell division.(in this context)

    So, in short, weak bonds are an integral part of the DNA, which is the basis of life of all sorts.

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