A. A scientist has developed a method for depositing laminin on the surface of tissue culture dishes. She expects to make a fortune by selling these dishes as improved adhesion surfaces for in vitro studies of all types of cell. What is your opinion? b. Is it possible that cell culture dishes could be developed with specific coatings for the culturing of certain cells? Explain.

c. How is it that most types of cells in culture will adhere to plastic dishes manufactured with no protein coating?

the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

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it provides an alternative energy pathway for the reaction to proceed.

a catalyst is a substance that speeds up the rate of a chemical reaction but is not consumed during the course of the reaction.

catalysts increase the rate of reaction without being used up. they do this by lowering the activation energy needed. with a catalyst, more collisions result in a reaction, so the rate of reaction increases. different reactions need different catalysts.

a catalyst works by providing an alternative reaction pathway to the reaction product. the rate of the reaction is increased as this alternative route has a lower activation energy than the reaction route not mediated by the catalyst.

prothallium

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