What process makes sure enzymes are at the optimal pH to function the best inside a...
What process makes sure enzymes are at the optimal pH to function the best inside a cell?
a. response to stimuli
b.cytokenesis
c. homeostasis
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What process makes sure enzymes are at the optimal pH to
function the best inside a...
4. Every enzyme has an optimal pH at which they function, which can vary widely for...
4. Every enzyme has an optimal pH at which they function, which can vary widely for many different proteins. Some enzymes function best at low pH while others function best at high pH. Provide an explanation as to why this is and include in your answer a discussion of protonation states (specifically within the active sites). (2pts)
46. Most enzymes function best at a. acidic pH and high salt concentrations b. basic pH...
46. Most enzymes function best at a. acidic pH and high salt concentrations b. basic pH and low salt concentrations c. neutral pH and high salt concentrations d. around pH 7 and low salt concentrations 47. Which of the following cells contain respiratory enzymes contained in an internal structure surrounded by membranes? a. plant cells b. Mycobacterium tuberculosis cells c. animal cells d. S. aureus cells e. a &c
1. What is the parameter that makes the absorbance of a sample inside a UV-VIS cell...
1. What is the parameter that makes the absorbance of a sample inside a UV-VIS cell to change as a function of wavelength? Why? 2. What are the benefits of using the wavelength of maximum intensity (max) for the analysis?
Enzymes Temperature is an important factor that can regulate enzyme-mediated functions. Temperature is one of the...
Enzymes Temperature is an important factor that can regulate enzyme-mediated functions. Temperature is one of the tightly homeostatically controlled variables in the human body. What are the symptoms of loss of temperature control during a high fever? Explain why these symptoms occur based on enzyme function and cell signaling effects that are dependent on temperature. Based on Figure 1, explain how the temperature optimum of the activity of enzymes is expected to differ in organisms depending on where they live....
Which of the following makes restriction enzymes useful for DNA fingerprinting and RFLP analysis? a. they...
Which of the following makes restriction enzymes useful for DNA fingerprinting and RFLP analysis? a. they typically attach and ligate DNA fragments together b. they cause DNA to be translated into the plasmid c. they cause DNA to be transcribed into the plasmid d. they can only function when within the cytoplasm of a cell e. none of the others are true
In multicellular organisms, what do groups of cells form? • A. Prokaryotes • B. Homeostasis •...
In multicellular organisms, what do groups of cells form? • A. Prokaryotes • B. Homeostasis • C. Cell walls • D. Tissues and organs Why do we shiver when it is cold? . A. It is the brain stimulating the person to move to a warmer location. • B. It is a side-effect of the pancreas signaling to the brain that it is losing heat. • C. It is an involuntary reaction that does not actually help our body. •...
Consider the structure of Cardiolipin, a compound essential for the optimal function of various enzymes R1,...
Consider the structure of Cardiolipin, a compound essential for the optimal function of various enzymes R1, R2, R3, and Ry are additional carbon and hydrogen groups. Based on the structure, cardiolipin should be CH A more soluble in water than in oil B. loss soluble in water than in oil C. equally soluble in water and in oil D. insoluble in water and in oil Which of the following is true for a chemical reaction at equilibrium? O A. The...
Foundations of Biological Sciences 1 Enzymes - 8 PART 4: THE EFFECT OF PH ON ENZYME...
Foundations of Biological Sciences 1 Enzymes - 8 PART 4: THE EFFECT OF PH ON ENZYME ACTIVITY The pll scale measures the amount Another factor influencing the rate of enzyme catalysis is the pll of the of ons in a solution. The more solution. pH specifies the acidity or basicity of solution by measuring the the more acidic the solution and lower hydrogen ion consentation (H). Like temperature, pH affects the three- pH) dimensional shape of enzymes, thus regulating their...
The phosphate buffer system is very important in maintaining the pH inside the cell. What is...
The phosphate buffer system is very important in maintaining the pH inside the cell. What is the conjugate acid and base for H2PO4- ? Which conjugate acid and base pair you will choose to make a phosphate buffer with pH 7.4?
Sandiwara Oxygen Product (mos a. What is the optimal pH for catalase activity? b. What happened...
Sandiwara Oxygen Product (mos a. What is the optimal pH for catalase activity? b. What happened to the catalase at pH 2? c. Why did the product production slow down over time, even at the optimal pH? Unit 7, page 7
4. Every enzyme has an optimal pH at which they function, which can vary widely for many different proteins. Some enzymes function best at low pH while others function best at high pH. Provide an explanation as to why this is and include in your answer a discussion of protonation states (specifically within the active sites). (2pts)
46. Most enzymes function best at a. acidic pH and high salt concentrations b. basic pH and low salt concentrations c. neutral pH and high salt concentrations d. around pH 7 and low salt concentrations 47. Which of the following cells contain respiratory enzymes contained in an internal structure surrounded by membranes? a. plant cells b. Mycobacterium tuberculosis cells c. animal cells d. S. aureus cells e. a &c
Enzymes Temperature is an important factor that can regulate enzyme-mediated functions. Temperature is one of the tightly homeostatically controlled variables in the human body. What are the symptoms of loss of temperature control during a high fever? Explain why these symptoms occur based on enzyme function and cell signaling effects that are dependent on temperature. Based on Figure 1, explain how the temperature optimum of the activity of enzymes is expected to differ in organisms depending on where they live....
In multicellular organisms, what do groups of cells form? • A. Prokaryotes • B. Homeostasis • C. Cell walls • D. Tissues and organs Why do we shiver when it is cold? . A. It is the brain stimulating the person to move to a warmer location. • B. It is a side-effect of the pancreas signaling to the brain that it is losing heat. • C. It is an involuntary reaction that does not actually help our body. •...
Consider the structure of Cardiolipin, a compound essential for the optimal function of various enzymes R1, R2, R3, and Ry are additional carbon and hydrogen groups. Based on the structure, cardiolipin should be CH A more soluble in water than in oil B. loss soluble in water than in oil C. equally soluble in water and in oil D. insoluble in water and in oil Which of the following is true for a chemical reaction at equilibrium? O A. The...
Foundations of Biological Sciences 1 Enzymes - 8 PART 4: THE EFFECT OF PH ON ENZYME ACTIVITY The pll scale measures the amount Another factor influencing the rate of enzyme catalysis is the pll of the of ons in a solution. The more solution. pH specifies the acidity or basicity of solution by measuring the the more acidic the solution and lower hydrogen ion consentation (H). Like temperature, pH affects the three- pH) dimensional shape of enzymes, thus regulating their...
Sandiwara Oxygen Product (mos a. What is the optimal pH for catalase activity? b. What happened to the catalase at pH 2? c. Why did the product production slow down over time, even at the optimal pH? Unit 7, page 7
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