Modified true or false. Write the correct answer if the underlined word is false. 1. A prosthetic group is a cofactor permanently held on the structure of an enzyme.
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Modified true or false. Write the correct answer if the underlined word is false.
1. A prosthetic group is a cofactor permanently held on the structure of an enzyme.
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- Modified true or false. Write the correct answer if the underlined word is false. 1. A DEAE-cellulose column is able to bind positively charged proteins.Modified true or false. Write the correct answer if the underlined word is false. 1. The zinc ion in zinc fingers is coordinated through histidine and cysteine residues.Modified true or false. Write the correct answer if the underlined word is false. 1. In ion-exchange chromatography, proteins are separated based on their molecular weight.
- Modified TRUE or FALSE. Write the word TRUE if the statement is correct. If the statement is false, write the incorrect underlined word/s and indicate the correct word/s to make the statement true. Extreme temperatures and pH can cause permanent disruption of the protein primary structure(s) of enzymes that leads to loss of active site shape, loss of binding efficiency and activity.Modified TRUE or FALSE. Write the word TRUE if the statement is correct. If the statement is false, write the correct word to make the statement true. 1. The L-form is the naturally-occurring form of amino acids.BIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Enzymes have known attributes and functions. Which of the following is NOT its common attribute or function? A. enzymes are specific B. enzymes may be used many times for a specific reaction C. enzymes provide activation energy for reactions D. enzyme activity can be regulated 2. Evaluate the following statements and identify the best that can describe how a lysozyme works.? A. It cuts the bond in a polysaccharide, by holding six sugars in a row in its active site, and adding a water molecule, causing hydrolysis. B. It is responsible for the cleaving of amino acid chains via the ping-pong mechanism. C. It cleaves the phosphodiester bond in nucleic acids, via hydrolysis. D. It hydrolyzes bonds in lipids, causing a split in a fatty acid chain.
- BIOMOLECULES - MULTIPLE CHOICE - Please answer properly QUESTION : Which of the following best describes the transition state of a catalyzed reaction? A. higher in energy than that of an uncatalyzed reaction B. lower in energy than that of an uncatalyzed reaction C. bound very weakly to the catalyst D. lower energy than the reaction substrateBIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Which of the following best describes the transition state of a catalyzed reaction? A. higher in energy than that of an uncatalyzed reaction B. lower in energy than that of an uncatalyzed reaction C. bound very weakly to the catalyst D. lower energy than the reaction substrate 2. Supposed you tried to drop a piece of liver into a hydrogen peroxide solution. You noticed that the peroxide solution vigorously produced bubbles. Which of the following caused the observed reaction? A. liver and peroxide are joining together to make a new protein B. more peroxide is being created by the liver C. peroxide is destroying germs in the liver D. peroxide is being broken into water and oxygenBIOMOLECULES - MULTIPLE CHOICE - Please answer properly QUESTION : Supposed you used the enzyme lyase in the biomolecular laboratory, identify reaction that you have certainly observed with the enzyme Lyase. A. you observed intramolecular rearrangement of bonds B.you observed a transfer group from one molecule to another C. you observed breaking of bonds D. you observed formation of bonds
- Modified TRUE or FALSE. Write the word TRUE if the statement is correct. If the statement is false, write the incorrect underlined word/s and indicate the correct word/s to make the statement true. The Michaelis-Menten Constant (Km) of an enzyme is equal to the enzyme concentration at which the initial velocity of the reaction is one half of maximum velocity (Vmax).BIOMOLECULES - Please answer the questions properly. - Multiple choice 1. Supposed you used the enzyme lyase in the biomolecular laboratory, identify reaction that you have certainly observed with the enzyme Lyase. A. you observed breaking of bonds B. you observed formation of bonds C. you observed intramolecular rearrangement of bonds D. you observed a transfer group from one molecule to another 2. Comprehend the following statements and identify the one that accurately describes an allosteric enzyme. A. It is versatile, in that it can act as either an anabolic enzyme or a catabolic enzyme B. It is regulated by binding to small molecules other than its substrate C. It operates most optimally in a basic environment D. It operates most optimally in an acidic environmentBIOMOLECULES - MULTIPLE CHOICE - Please answer properly QUESTION : Which of the following functions describes the enzyme Peptidase? A. remove phosphate from a substrate B. removal of H2O C. cleave phosphodiester bond D. cleave amino bonds