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powerpoint presentation on chemistry in everyday life

Oct 13,  · Chemistry in everyday life: Chemistry in everyday life Chemistry is a big part of your everyday life. You find chemistry in the foods you eat, the air you breathe, your soap, your emotions and literally every object you can see or touch. Here's a look at some everyday chemistry. Sep 09,  · (6) COSMETOLOGY: CHEMISTRY theory for state board exam barber and manicuring students pass the chemistry part of the SATE BOARD EXAM and get their LICENSE, watch 5 . View and Download PowerPoint Presentations on ON CHEMISTRY IN EVERYDAY LIFE PPT. Find PowerPoint Presentations and Slides using the power of xicedreviews.gq, find free presentations about ON CHEMISTRY IN EVERYDAY LIFE PPT.


PPT - CHEMISTRY IN EVERYDAY LIFE PowerPoint Presentation - ID


Done by Vishal Rajesh Lakhiani 12 - O. Drug — A chemical of low molecular mass — u which interact with macromolecular targets and produce a biological response. While downloading, if powerpoint presentation on chemistry in everyday life some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

It is useful for doctors because it provides them the whole range of powerpoint presentation on chemistry in everyday life available for the treatment of a particular type of problem. There are various ways in which action of histamines can be blocked. Drugs classified in this way share common structural features and often have similar pharmacological activity.

These are called target molecules or drug targets. The classification based on molecular targets is the most useful classification for medicinal chemists. Most are proteins. A few ribonucleoprotein enzymes have been discovered and, powerpoint presentation on chemistry in everyday life, for some of these, the catalytic activity is in the RNA part rather than the protein part, powerpoint presentation on chemistry in everyday life.

Link to discussion of these ribozymes. In doing so, they lower the amount of activation energy needed and thus speed up the reaction. So successful binding of enzyme and substrate requires that the two molecules be able to approach each other closely over a fairly broad surface.

Thus the analogy that a substrate molecule binds its enzyme like a key in a lock. Generally, a given enzyme is able to catalyze only a single chemical reaction or, at most, a few reactions involving substrates sharing the same general structure.

If one adds malonic acid to cells, or to a test tube mixture of succinic acid and the enzyme, the action of the enzyme is strongly inhibited. This is because the structure of malonic acid allows it to bind to the same site on the enzyme b. But there is no oxidation so no speedy release of products.

The inhibition is called competitive because if you increase the ratio of succinic to malonic acid in the mixture, you will gradually restore the rate of catalysis. Each enzyme works best at a certain pH left graph and temperature right graphits activity decreasing at values above and below that point.

For example, pepsin is synthesized within the chief cells in gastric glands as an inactive precursor, pepsinogen. Only when exposed to the low pH outside the cell is the inhibiting portion of the molecule removed and active pepsin produced. Thus further production of the enzyme is halted. This reduces the concentration of the initial substrate. In these cases, the regulator molecule binds to the enzyme at a different site than the one to which the substrate binds. When the regulator binds to its site, it alters the shape of the enzyme so that its activity is changed.

This is called an allosteric effect. Graph showing velocity of reaction with concentration of substrate in the presence of an enzyme. So while Vmax can still be reached if sufficient substrate is available, one-half Vmax requires a higher [S] than before and thus Km is larger.

Experimental evidence indicates that drugs interact with receptor sites localized in macromolecules which have protein-like properties and specific three dimensional shapes. A minimum three point attachment of a drug to a receptor site is required.

In most cases a rather specific chemical structure is required for the receptor site and a complementary drug structure. Slight changes in the molecular structure of the drug may drastically change specificity. The neurotransmitter is similar to a substrate in an enzyme interaction. A drug must be a close "mimic" of the neurotransmitter.

The agonist is a very close mimic and "fits" with the receptor site and is thus able to initiate a response. However, it does block the site preventing any other agonist or the normal neurotransmitter from interacting with the receptor site. Toggle navigation. Skip this Video. Loading SlideShow in 5 Seconds. Download Presentation. Share Presentations. Email Presentation to Friend. By dayton Follow User. Report This.

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APPLICATION of CHEMISTRY in OUR EVERYDAY LIVES |authorSTREAM

 

powerpoint presentation on chemistry in everyday life

 

Oct 13,  · Chemistry in everyday life: Chemistry in everyday life Chemistry is a big part of your everyday life. You find chemistry in the foods you eat, the air you breathe, your soap, your emotions and literally every object you can see or touch. Here's a look at some everyday chemistry. Dec 14,  · Chemistry word can be represented as C for chemistry, H for health, E for environment, M for medicines, I for industries, S for sciences, T for teaching, R for research and Y for you. we are a living chemistry as we are made of chemicals only and there are a . View and Download PowerPoint Presentations on ON CHEMISTRY IN EVERYDAY LIFE PPT. Find PowerPoint Presentations and Slides using the power of xicedreviews.gq, find free presentations about ON CHEMISTRY IN EVERYDAY LIFE PPT.