What is a common chemical reaction mechanism by which cells make polymers from monomers?

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Indiana University Bloomington

Erin C.

Biology

9 months, 2 weeks ago

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Video Transcript

Hi there. This question is asking about making polymers from monomers. And we know polymers are big macro molecules composed of many, many monomers chemically bonded together. So, we want to know which reaction is commonly used to produce these polymers. Well, the first option there hydraulic Asus is the reverse in hydraulic Asus. A large polymer is broken apart into smaller molecules. So it is the reverse of what we're looking for. So, that was false. Part B. A dehydration reaction. Ah A dehydration reaction does take monomers and H 20 is released as the monomers linked together. So, in a dehydration, we linked monomers together and for each one linked there is the release of a water molecule, which is why it's called dehydration. All right. So, this appears to be our correct answer. Let's just check the next to just to make sure that they do not have any truth to them. So, let her see formation of ionic bonds. Well, that is going to be false because we are working monomers, our organic compounds, they are molecules. It's very rare. You may get some ionic cross linking sometimes, but you are not going to get monomers linking together through ionic bonds. And then let her de decreasing the ph that's not really going to help us make polymers. If anything, decreasing the ph will sometimes break polymers apart. All right. So the correct answer here is going to be let her be the dehydration reactions. Thank you so much for watching. And I hope this explanation was helpful. Yeah

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Home > Community > What is a common chemical reaction mechanism by which cells make polymers from monomers?

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Nima Oli

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Joined February 2019

The use of the term cells is incorrect.

Synthetic polymers are formed by the “growth” of many segments or monomers coming together to form a chain called a polymer.

There are a couple of mechanisms which are common. The first is by a free radical reaction where an external source catalyses the monomer to enable the monomer to polymerise.

The second is by a mechanism called “condensation polymerisation” where two components (monomers) react with the elimination of a simple molecule from the combination. The length of the chain will often depend on the removal of that simple molecule.

The use of the term cells is incorrect.

Synthetic polymers are formed by the “growth” of many segments or monomers coming together to form a chain called a polymer.

There are a couple of mechanisms which are common. The first is by a free radical reaction where an external source catalyses the monomer to enable the monomer to polymerise.

The reaction in which the monomers joined to form polymers is knówn as polymerization reaction

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