1. What do the drops of NaOH indicate in terms of metabolic output (Hint: what causes carbon dioxide productionto go up or down based on activity in muscle cells)?. Did the number of drops of NaOH decrease after exercise (compared to before exercise) for some people?Explain why this happened (refer to the overall chemical equations of aerobic respiration and human musclefermentation in your explanation).

Aerobic respiration is a metabolic process that requires oxygen and produces ATP, a molecule that…

Answered: 1. What do the drops of NaOH indicate…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Based on your understanding of aerobic respiration: 1. Describe how such disorders impair the generation of energy in the afflicted muscle cells. 2. What type(s) of harmful by-product(s) may those damaged cells produce?
3. Indicate whether each statement is true or false. If you think the statement is false, rewrite it to make it true. (4.1, 4.4) (a) Cellular respiration results in the relatively rapid, uncontrolled release of energy from a molecule of glucose to produce ATP for use by cells for various functions. (b) The electron transport chain is located on the inner portion of the cell membrane. (c) When oxygen is scarce in human muscle tissue, lactate fermentation takes place in order to keep glycolysis running. mai reactions of glycolysis. (4.2)
1. Myasthenia Gravis is a disease in which the patients have a deficiency of ACh receptors in their skeletal muscles, The result is a weakening of muscle function, How and why would the administartion of an acetylcholinesterase inhibitor (AChEl) improve muscle function in these patients? 2. List and describe the distinctly functions of ATP during muscle contractions.
1. Overall, what do glycolysis, the Krebs cycle, and electron transport do? (Know starting materials and products.) Explain very briefly how energy stored in glucose is converted into energy stored in ATP. Where are oxygen, carbon dioxide, glucose, water, and ATP involved, and how do they relate to each other? Where is the most number of ATP produced? 2. Account for the 6 Carbons in glucose. In other words where does the 6 carbons in glucose end up 3. When is fermentation used instead of cellular respiration? How does this apply to humans? Know the industrial uses of fermentation 4. What is ATP synthase do? Where is it located? 5. How are oxygen and carbon dioxide related to the function of the mitochondria? Why do we REALLY need to breathe? (Hint: where does CO2 come from? Where is O2 used?) 6. Know how cyanide stops cellular respiration
. Intracellular concentrations in resting muscle are as follows: fructose- 6-phosphate, 1.0 mM; fructose-1,6-bisphosphate, 10 mM; AMP, 0.1 mM; ADP, 0.5 mM; ATP, 5 mM; and P;, 10 mM. Is the phosphofruc- tokinase reaction in muscle more or less exergonic than under stan- dard conditions? By how much?
4. As stated in your textbook, the first two reactions in glycolysis associated with unfavorable AG° values, i.e., AG° > 0, both produce a product with high phosphoryl group transfer potential. (ATP formation is not considered here.) Compare the two reactions and describe what the driving force is for both reactions that allows glycolysis to proceed to formation of pyruvate.
Please answer these biochemistry questions and briefly explain 1. Which is false about metabolic regulation? A: reactions with a large negative delta G are likely to be regulated B: reactions that require ATP are regulated C: glucagon and epineprine both stimulate glycogen breakdown D: all steps of all metabolic processes under strict regulation I picked D since all steps require sple extent of regulation however, "strict" regulation is limited to the irreversible steps 2. which is not a redox reaction in electron transport chain? A: Fe-S accepts e- from NADH B: reiske protein accepts e- from QH2 3. true or false: proton motive force is created through pumping H+ from matrix to inner membrane I put false, isnt the opposite true? pumping H+ from IMM to matrix
Can you please help with number 3 using the data provided?
This is the question: Ethanol metabolism has been part of the human diet for centuries. Ethanol cannot be excreted and must be metabolized by the liver using the enzyme alcohol dehydrogenase in a two step reaction: Excess consumption of ethanol leads to the accumulation of NADH. What effect would a high concentration of NADH have on metabolic pathways and consequently the body. Choose as least two pathways to describe the effect.
7. Representative values of Vm and ApH for the inner mitochondrial membrane and the thylakoid membrane at 25°C are provided in the table. Vm Арн 1.0 pmf Inner mitochondrial 0.166 V 0.2251 membrane Thylakoid membrane O,1483 0.03 V B) What is the value of AG for the thermodynamically feasible (“downhill") movement of 1 mole of H across the inner mitochondrial membrane?
The average cell at rest hydrolyzes 10,000,000 ATP molecules per second.You are studying the stem cell population found in intestinal Crypts.In the intestine there are s total 5*1011 cell.The stem cells have a 85% higher metabolism than an average resting cell.ATP hydrlysis yield 7.4 kCal/Mole ATP(Avogadro's number is 6.023*1023) How many Kcal of energy are used per day by this population of cells? Assuming 32 ATP per glucose oxidative metabolically how many moles of glucose are consumed per day?
3.

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