Enzymes Encoded By Genes Regulate Metabolic Pathways Assignment
Order ID 53563633773 Type Essay Writer Level Masters Style APA Sources/References 4 Perfect Number of Pages to Order 5-10 Pages Description/Paper Instructions
Enzymes Encoded By Genes Regulate Metabolic Pathways Assignment
Question 1
Select one answer.
10 points
Which of the following regulatory mechanisms is described incorrectly?
- feedback inhibition: product inhibits its own production
- competitive inhibitor: binds to the active site of the enzyme
- enzyme modification: enzyme gains or loses a functional group
- substrate availability: more substrate increases enzyme activity (until it reaches saturation)
- All are correct
Question 2
Select one answer.
10 points
What is the connection between a person’s genes and his or her metabolism?
- structural proteins encoded by genes regulate metabolic pathways
- enzymes encoded by genes regulate metabolic pathways
- DNA regulates metabolic pathways directly
Question 3
Select one answer.
10 points
The fundamental difference between competitive and non-competitive inhibition is: _________________________
- the size of the active site of the enzyme.
- the manner of binding of the inhibitor to the enzyme.
- the manner of binding of the substrate to the enzyme.
Question 4
Select one answer.
10 points
How does the body react to rapid weight loss?
- Hunger increases and the metabolic rate goes down.
- Hunger decreases and the metabolic rate goes up.
- Hunger increases and the metabolic rate goes up.
Question 5
Select one answer.
10 points
Cells or organisms tend to maintain steady internal conditions. What is the name for this property and ability of life?
- Adaptation
- Reproduction
- Homeostasis
- Metabolism
Question 6
Select one answer.
10 points
Energy is stored in different forms in the body. ATP is very unstable and is put to use very quickly in cells. Other storage molecules last longer. Which gives the major energy stores of the body in the correct order?
- Short term: glucose. Medium term: glycogen. Long term: fat.
- Short term: fat. Medium term: glycogen. Long term: glucose.
- Short term: glycogen. Medium term: glucose. Long term: fat.
Question 7
Select one answer.
10 points
Which best describes body weight regulation in a normal human who is living in a modern society?
- Our normal responses of appetite and metabolism ensure that adults remain at a given normal body weight. Any change from this normal weight sets in motion responses that return the body to its normal weight.
- Our normal responses of appetite and metabolism tend to cause weight gain in modern societies, and they also tend to make weight loss difficult.
Question 8
Select one answer.
10 points
Which of the graphs in the figure best illustrates the activity of an enzyme as substrate concentration increases from 0 to the saturation point of the enzyme?
Question 9
Select one answer.
10 points
What would be a typical regulatory system in a metabolic pathway?
- The pathway’s product makes it go faster, so that more and more of the product builds up in the cell or body.
- The pathway’s product slows it down, so that the product is maintained at a constant level in the cell or organism.
Question 10
Select one answer.
10 points
In a metabolic pathway, a typical control mechanism is to have: ________
- a lack of reactant stimulate the pathway.
- the final product inhibit an early step.
- the final product inhibit the enzyme responsible for its own production.
- a reactant inhibit a late step.
RUBRIC
QUALITY OF RESPONSE NO RESPONSE POOR / UNSATISFACTORY SATISFACTORY GOOD EXCELLENT Content (worth a maximum of 50% of the total points) Zero points: Student failed to submit the final paper. 20 points out of 50: The essay illustrates poor understanding of the relevant material by failing to address or incorrectly addressing the relevant content; failing to identify or inaccurately explaining/defining key concepts/ideas; ignoring or incorrectly explaining key points/claims and the reasoning behind them; and/or incorrectly or inappropriately using terminology; and elements of the response are lacking. 30 points out of 50: The essay illustrates a rudimentary understanding of the relevant material by mentioning but not full explaining the relevant content; identifying some of the key concepts/ideas though failing to fully or accurately explain many of them; using terminology, though sometimes inaccurately or inappropriately; and/or incorporating some key claims/points but failing to explain the reasoning behind them or doing so inaccurately. Elements of the required response may also be lacking. 40 points out of 50: The essay illustrates solid understanding of the relevant material by correctly addressing most of the relevant content; identifying and explaining most of the key concepts/ideas; using correct terminology; explaining the reasoning behind most of the key points/claims; and/or where necessary or useful, substantiating some points with accurate examples. The answer is complete. 50 points: The essay illustrates exemplary understanding of the relevant material by thoroughly and correctly addressing the relevant content; identifying and explaining all of the key concepts/ideas; using correct terminology explaining the reasoning behind key points/claims and substantiating, as necessary/useful, points with several accurate and illuminating examples. No aspects of the required answer are missing. Use of Sources (worth a maximum of 20% of the total points). 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APA 6th Edition is used with only a few minor errors. There are minor errors in reference and/or citations. And/or there is some use of questionable sources. 20 points: Credible scholarly sources are used to give compelling evidence to support claims and are clearly and fairly represented. APA 6th Edition format is used accurately and consistently. The student uses above the maximum required references in the development of the assignment. 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