What is the similarities between dehydration and hydrolysis?

What is the similarities between dehydration and hydrolysis?

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Answer:

The similarities between Dehydration and Hydrolysis is...

Dehydration and hydrolysis reactions are similar for all macromolecules, but each monomer and polymer reaction is specific to its class. Dehydration reactions typically require an investment of energy for new bond formation, while hydrolysis reactions typically release energy by breaking bonds.

The differences between Dehydration and Hydrolysis is...

Dehydration synthesis reactions build molecules up and generally require energy, while hydrolysis reactions break molecules down and generally release energy. Carbohydrates, proteins, and nucleic acids are built up and broken down via these types of reactions, although the monomers involved are different in each case.

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What is the similarities between dehydration and hydrolysis?

Answer:

The similarities between Dehydration and Hydrolysis is...

Dehydration and hydrolysis reactions are similar for all macromolecules, but each monomer and polymer reaction is specific to its class. Dehydration reactions typically require an investment of energy for new bond formation, while hydrolysis reactions typically release energy by breaking bonds.

The differences between Dehydration and Hydrolysis is...

Dehydration synthesis reactions build molecules up and generally require energy, while hydrolysis reactions break molecules down and generally release energy. Carbohydrates, proteins, and nucleic acids are built up and broken down via these types of reactions, although the monomers involved are different in each case.

Explanation:

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Learning Objectives
  • Explain hydrolysis reactions

Polymers are broken down into monomers in a process known as hydrolysis, which means “to split water,” a reaction in which a water molecule is used during the breakdown. During these reactions, the polymer is broken into two components. If the components are un-ionized, one part gains a hydrogen atom (H-) and the other gains a hydroxyl group (OH–) from a split water molecule. This is what happens when monosaccharides are released from complex carbohydrates via hydrolysis.

What is the similarities between dehydration and hydrolysis?
Figure \(\PageIndex{1}\): Hydrolysis reaction generating un-ionized products.: In the hydrolysis reaction shown here, the disaccharide maltose is broken down to form two glucose monomers with the addition of a water molecule. One glucose gets a hydroxyl group at the site of the former covalent bond, the other glucose gets a hydrogen atom. This is the reverse of the dehydration synthesis reaction joining these two monomers.

If the components are ionized after the split, one part gains two hydrogen atoms and a positive charge, the other part gains an oxygen atom and a negative charge. This is what happens when amino acids are released from protein chains via hydrolysis.

What is the similarities between dehydration and hydrolysis?
Figure \(\PageIndex{1}\): Hydrolysis reaction generating ionized products.: In the hydrolysis reaction shown here, the dipeptide is broken down to form two ionized amino acids with the addition of a water molecule. One amino acid gets an oxygen atom and a negative charge, the other amino acid gets two hydrogen atoms and a positive charge. This is the reverse of the dehydration synthesis reaction joining these two monomers.

These reactions are in contrast to dehydration synthesis (also known as condensation) reactions. In dehydration synthesis reactions, a water molecule is formed as a result of generating a covalent bond between two monomeric components in a larger polymer. In hydrolysis reactions, a water molecule is consumed as a result of breaking the covalent bond holding together two components of a polymer.

Dehydration and hydrolysis reactions are chemical reactions that are catalyzed, or “sped up,” by specific enzymes; dehydration reactions involve the formation of new bonds, requiring energy, while hydrolysis reactions break bonds and release energy.

In our bodies, food is first hydrolyzed, or broken down, into smaller molecules by catalytic enzymes in the digestive tract. This allows for easy absorption of nutrients by cells in the intestine. Each macromolecule is broken down by a specific enzyme. For instance, carbohydrates are broken down by amylase, sucrase, lactase, or maltase. Proteins are broken down by the enzymes trypsin, pepsin, peptidase and others. Lipids are broken down by lipases. Once the smaller metabolites that result from these hydrolytic enzymezes are absorbed by cells in the body, they are further broken down by other enzymes. The breakdown of these macromolecules is an overall energy-releasing process and provides energy for cellular activities.

  • Hydrolysis reactions use water to breakdown polymers into monomers and is the opposite of dehydration synthesis, which forms water when synthesizing a polymer from monomers.
  • Hydrolysis reactions break bonds and release energy.
  • Biological macromolecules are ingested and hydrolyzed in the digestive tract to form smaller molecules that can be absorbed by cells and then further broken down to release energy.
  • enzyme: a globular protein that catalyses a biological chemical reaction
  • hydrolysis: A chemical process of decomposition involving the splitting of a bond by the addition of water.

  1. What are biological macromolecules? Name the four major classes.
  2. Biological macromolecules are organic. What does that mean?
  3. What are monomers? What are polymer?
  4. Explain the process “dehydration synthesis.” Is there another name for this process? Explain.
  5. Explain Figure 1 in your own words.
  6. Give an example of how condensation can form different carbohydrates.
  7. Explain the process of Hydrolysis.
  8. Explain Figure 2 in your own words.
  9. What role do enzymes play in hydrolysis and condensation? Explain.
  10. In our bodies, food is hydrolyzed, or broken down into smaller molecules. Explain why.
  11. The breakdown of macromolecules provides...
  12. Create a comparison chart to indicate the enzymes that break down carbohydrates, proteins, and lipids.

  • OpenStax College, Biology. October 16, 2013. Provided by: OpenStax CNX. Located at: http://cnx.org/content/m44395/latest...ol11448/latest. License: CC BY: Attribution
  • OpenStax College, Synthesis of Biological Macromolecules. October 23, 2013. Provided by: OpenStax CNX. Located at: http://cnx.org/content/m44397/latest/. License: CC BY: Attribution
  • An Introduction to Molecular Biology/Macromolecules and Cells. Provided by: Wikibooks. Located at: en.wikibooks.org/wiki/An_Introduction_to_Molecular_Biology/Macromolecules_and_Cells. License: CC BY-SA: Attribution-ShareAlike
  • Free High School Science Texts Project, Organic Macromolecules: Biological Macromolecules. October 23, 2013. Provided by: OpenStax CNX. Located at: http://cnx.org/content/m39433/latest/. License: CC BY: Attribution
  • monomer. Provided by: Wiktionary. Located at: en.wiktionary.org/wiki/monomer. License: CC BY-SA: Attribution-ShareAlike
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