Homework Answers
Some experiments that demonstrate that the TCA cycle is not linear instead a cycle are the Malonate experiments, experiments on extracts of liver and of cucumber seeds suggested cis-aconitic acid & isocitric acid are intermediates, formation of ketoglutaric acid from citrate, etc
Early organization of TCA cycle constitute of two branches, the reductive & the oxidative branch and it was used by bacteria like E.coli in various ways.
Since in the oxidation of succinate to fumarate is an integral part of the Krebs cycle it inhibits succinate dehydrogenase enzyme so that succinate is not converted to fumarate and also it inhibits the oxidation of oxaloacetate.
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5. What are some historical experiments that demonstrate how the TCA cycle is not linear and...
In 1937 Hans Krebs deduced the operation of the citric acid cycle from careful observations on...
In 1937 Hans Krebs deduced the operation of the citric acid
cycle from careful observations on the oxidation of carbon
compounds in minced preparations of pigeon flight muscle. (Pigeon
breast is a rich source of mitochondria, but the function of
mitochondria was unknown at the time.) The consumption of O2 and
the production of CO2 were monitored with a manometer, which
measure changes in volume of a closed system at a constant pressure
and temperature. Standard chemical methods were used...
Question 2 (20 pts) In 1937 Hans Krebs deduced the operation of the citric acid cycle...
Question 2 (20 pts)
In 1937 Hans Krebs deduced the operation of the citric acid
cycle from careful observations on the oxidation of carbon
compounds in minced preparations of pigeon flight muscle. (Pigeon
breast is a rich source of mitochondria, but the function of
mitochondria was unknown at the time.) The consumption of O2 and
the production of CO2 were monitored with a manometer, which
measure changes in volume of a closed system at a constant pressure
and temperature. Standard...
In 1937 Hans Krebs deduced the operation of the citric acid cycle from careful observations on...
In 1937 Hans Krebs deduced the operation of the
citric acid cycle from careful observations on the oxidation of
carbon compounds in minced preparations of pigeon flight muscle.
(Pigeon breast is a rich source of mitochondria, but the function
of mitochondria was unknown at the time.) The consumption of O2 and
the production of CO2 were monitored with a manometer, which
measure changes in volume of a closed system at a constant pressure
and temperature. Standard chemical methods were used...
please answer question asap QUESTION 27 Explain how microbes use glycolysis, the TCA cycle, and the...
please answer question asap
QUESTION 27 Explain how microbes use glycolysis, the TCA cycle, and the electron transport chain to catabolize glucose. (5 pts) For full credit, please describe : • the overall actions (no need to list specific steps) in each pathway • outputs of each pathway • how each pathway links with the other pathways. T T T Arial 3 (12pt) • T - E
1) How many CO2 molecules are produced by pyruvate dehydrogenase and the TCA cycle per molecule...
1) How many CO2 molecules are produced by pyruvate dehydrogenase and the TCA cycle per molecule of glyceraldehydes-3-phosphate that goes through glycolysis, pyruvate dehydrogenase, and the TCA cycle? a.1 b.2 c.3 d.4 e.5 f.6 How many NADPH molecules are produced by pyruvate dehydrogenase and the TCA cycle per molecule of phosphoenolpyruvate that goes through glycolysis, pyruvate dehydrogenase, and the TCA cycle? a.3 b.4 c.6 d.8 e.0
Can someone quick answer/check these questions? Thank you, will rate! (the answers that I have came...
Can someone quick answer/check these questions? Thank you, will rate! (the answers that I have came up with are in bold) Please help 51- Glycogenesis involves the following steps a) isomerisation b) activation c) elongation or coupling d) branching e) all of the above 52 During the breakdown of glycogen, free glucose is formed from A. the reducing end. B. the non-reducing end. C. glucose residues in an a 1-->4 linkage to the chain. D. glucose residues in an...
QUESTION 5 This question explores the Calvin cycle in plants. A summary of the three stages of CO...
QUESTION 5 This question explores the Calvin cycle in plants. A summary of the three stages of CO, assimilation in photosynthetic organisms is shown below (Fig. 20-31 from the text book). All the reactions of the Calvin cycle in detail are shown on the last page. Only the first three reactions are directly involved in carbon-fxation, assimilation and reduction, to Stage 3: ATP3 Regeneration of (3) Stage 1a Ribulose 1.5 e (GAP). The rest of the pathway results in the...
1. Describe how some sulfonamide drugs exert their therapeutic effect. 2. Describe the historical milestones in the deve...
1. Describe how some sulfonamide drugs exert their therapeutic effect. 2. Describe the historical milestones in the development of penicillin as the first antibiotic drug. 3. If a patient is allergic to amoxicillin, what category of antibiotic drugs could also cause an allergic reaction? 4. What is the consequence of the over-prescription of antibiotic drugs and the use of antibiotic drugs in animal feed? 5. How does the HIV virus reproduce in the body and how do antiretroviral drugs kill...
You want to compare how two forecasting methods would perform on some historical sales data. You...
You want to compare how two forecasting methods would perform on
some historical sales data. You will forecast the sales for months
4 through 19, calculate the mean absolute deviation (MAD) for both
methods, and you can claim that the one that has lower MAD
performed better, at least for the historical data.
a) The first method is known as the moving average method. The
forecast for a month will be the average sales of three previous
months. So, forecast...
Part I. Perspective Experiments. 1. This problem may require the use of a flashlight and some...
Part I. Perspective Experiments. 1. This problem may require the use of a flashlight and some cut out paper objects. By studying the nature of shadows cast you can get an idea of how the perspective correspondence works. After some experiments, use your three-dimensional imagination to figure out the answers. Below is a list of geometric shapes, properties of geometric shapes, and rela- tionships between geometric objects. What happens to these shapes, properties, and relationships under a perspective correspondence? For...
In 1937 Hans Krebs deduced the operation of the citric acid
cycle from careful observations on the oxidation of carbon
compounds in minced preparations of pigeon flight muscle. (Pigeon
breast is a rich source of mitochondria, but the function of
mitochondria was unknown at the time.) The consumption of O2 and
the production of CO2 were monitored with a manometer, which
measure changes in volume of a closed system at a constant pressure
and temperature. Standard chemical methods were used...
Question 2 (20 pts)
In 1937 Hans Krebs deduced the operation of the citric acid
cycle from careful observations on the oxidation of carbon
compounds in minced preparations of pigeon flight muscle. (Pigeon
breast is a rich source of mitochondria, but the function of
mitochondria was unknown at the time.) The consumption of O2 and
the production of CO2 were monitored with a manometer, which
measure changes in volume of a closed system at a constant pressure
and temperature. Standard...
In 1937 Hans Krebs deduced the operation of the
citric acid cycle from careful observations on the oxidation of
carbon compounds in minced preparations of pigeon flight muscle.
(Pigeon breast is a rich source of mitochondria, but the function
of mitochondria was unknown at the time.) The consumption of O2 and
the production of CO2 were monitored with a manometer, which
measure changes in volume of a closed system at a constant pressure
and temperature. Standard chemical methods were used...
please answer question asap
QUESTION 27 Explain how microbes use glycolysis, the TCA cycle, and the electron transport chain to catabolize glucose. (5 pts) For full credit, please describe : • the overall actions (no need to list specific steps) in each pathway • outputs of each pathway • how each pathway links with the other pathways. T T T Arial 3 (12pt) • T - E
QUESTION 5 This question explores the Calvin cycle in plants. A summary of the three stages of CO, assimilation in photosynthetic organisms is shown below (Fig. 20-31 from the text book). All the reactions of the Calvin cycle in detail are shown on the last page. Only the first three reactions are directly involved in carbon-fxation, assimilation and reduction, to Stage 3: ATP3 Regeneration of (3) Stage 1a Ribulose 1.5 e (GAP). The rest of the pathway results in the...
You want to compare how two forecasting methods would perform on
some historical sales data. You will forecast the sales for months
4 through 19, calculate the mean absolute deviation (MAD) for both
methods, and you can claim that the one that has lower MAD
performed better, at least for the historical data.
a) The first method is known as the moving average method. The
forecast for a month will be the average sales of three previous
months. So, forecast...
Part I. Perspective Experiments. 1. This problem may require the use of a flashlight and some cut out paper objects. By studying the nature of shadows cast you can get an idea of how the perspective correspondence works. After some experiments, use your three-dimensional imagination to figure out the answers. Below is a list of geometric shapes, properties of geometric shapes, and rela- tionships between geometric objects. What happens to these shapes, properties, and relationships under a perspective correspondence? For...
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