Part 1: For the following statement choose (T) for true and (F) for fal 1. Animals can synthesize proteins from inorganic N present in the air. 2. Proteins have higher molecular mass than carbohydrates and lipids 3. When 2 amino acids combine, the product is called a dipeptide.
Q: how do you do the following mechanism showing the cleavage of the peptide bond
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Q: 3. Below is a polypeptide with an unknown number of amino acids. On the diagram below: a. Circle…
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Q: This test gives red color, indicating the presence of cysteine.* A. Lead acetate test B.…
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Q: Which of the following is incorrect about chymotrypsin? a. It uses acid-base catalysis Ob. It has…
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- 1. Define proteins 2. Discuss the different properties of proteins 3. Discuss the classification proteins based on the structure of protein 4. Discuss the classification proteins based on composition 5. Discuss the classification proteins based on functions 6. Discuss the solubility of protein in water 7. Discuss the denaturation and renaturation 8. Discuss the protein metabolism 9. Discuss the chemical properties of protein 10. Define amino acids 11. Discuss the non-essential and essential amino acids1. Proteins perform critical functions in all of our cells. Without proteins, life wouldn’t exist. Think of some specific proteins and describe what function they perform. 2. Explain the difference between secondary and tertiary protein structures. 3. How many water molecules are produced when a dipeptide is synthesized?Macromolecules Carbohydrates Proteins Lipids Nucleic Acids ii. iii. Function To provide energy, store energy, build macromolecules, and spare protein iv. Monomer b. For each of the following scenarios explain which macromolecules are being described: CHOICES: Lipid, Carbohydrates, Protein, or Nucleic Acid i. Oxygen is transported through your blood using a substance called hemoglobin. Monosaccharide DNA is opened to be copied onto mRNA during transcription. Glucose is broken down during glycolysis to create pyruvate. Shape A waxy cuticle on the top surface of leaves helps to repel water.
- 1. Is there more than one way to fold a protein, given the conflicting demands of the different "R" groups and the protein existing in a watery environment? 2. Explain what an R group is. 3. Compare the backbone of a polypeptide with that of a nucleic acid. 4. Proteins perform critical functions in all of our cells. Without proteins, life wouldn’t exist. Think of some specific proteins and describe what function they perform. 5. Explain the difference between secondary and tertiary protein structures.1. Heat enhances hydrogen bonds, ionic interaction and hydrophobic bonds among the amino residues in a protein.* 1 point The statement is CORRECT. The statement is INCORRECT. 2. Which of the following statements is TRUE for fats and oils?* Fats need more volume of bromine to reach endpoint due to higher degree of unsaturation. Oils need more volume of bromine to reach endpoint due to higher degree of unsaturation. Fats and oils need the same volume to reach endpoint due to same degree of unsaturation. None of the choices1. What is the chemical formula for palmitic acid and oleic acid? Which one is a saturated fat and which one is an unsaturated fat? How do you know? 2. What functional groups are involved in dehydration synthesis reactions to form a triglyceride? What is the waste product? 3. Compare the overall acidity of the molecules before and after the formation of a triglyceride. Proteins 1. What gives each amino R group its key characteristics to make it polar, non-polar, or ionic? 2. What functional groups are involved in dehydration synthesis? 3. How might the solubility of peptides be influenced by the size of the peptides? How might the R group of the amino acid influence it? 4. Would you consider the formation of a peptide bond to be an example of a neutralization reaction? Explain your reasoning.
- Organic Molecules and Carbohydrates How many covalent bonds are formed by one carbon, and why? When a double covalent bond is formed, how many electrons are being shared? 3. Given a molecule that was drawn incorrectly, indicate which carbon does not have a sufficient number of bonds. 1. 2. Given a molecular formula (such as CH4) identify the molecule as inorganic or organic. 5. Given an organic molecule (molecular or structural formula) indicate whether the molecule is hydrophobic or hydrophilic and why. 6. Given two molecules, identify whether they are isomers of each other and explain why. 7. Explain the importance of functional groups. Be able to identify and name all functional groups. Define and explain the relationship of the following words: macromolecule, monomer, dimer and polymer. 9. Describe the chemical reactions of dehydration synthesis and hydrolysis in terms of what occurs, and what is accomplished. (Which can bond together monomers? Which splits a dimer or polymer into…1.Describe in detail how to determine the primary structure of protein. 2.You have been given a mixture of lysine, histidine and cysteine.The isoelectric point of the amino acids are as follows; histidine 7.64 lysine:9.74 cysteine:5.02 Show how you will separate the mixture into the pure forms. State and describe any instrument that you will use to separate the components in the mixture.1. What type of monomer/macromolecule is glucose (please be more specific than just carbohydrate since both starch and glucose are carbohydrates)? 2. What type of monomer/macromolecule is starch (please be more specific than just carbohydrate since both starch and glucose are carbohydrates)?
- 7. If a macromolecule such as maltose is separated into glucose and glucose monomers, molecule(s) must be added back to the molecules. This process is called 8. Name four food examples high in the following (not discussed in the lab): (4) monosaccharide, (4) disaccharide, (4) polysaccharide, (4) fat, and (4) protein. Protein Mono- Di- Poly- Lipid (fat)1. How are organic molecules related to all living things?Explain. 2. Draw an Illustration showing the functions of protein in the body.4.1. From this structure, what is the predominant secondary structure of the protein? 4.2. Based on what you can observe from the protein, what is its highest level of organizational structure? 4.3. If applicable, how many subunits does this protein have and are they identical? 4.4. If electrostatic interactions primarily stabilize this structure, propose a method to test your observations in 4.2 and 4.3. I