3. Respiration is highly dependent on expelling CO2 from the body. In fact blood pH is ofténthe neurological indicator to our bodies to breath faster. Why do you think this is? Calculatea free energy of reaction for carbon dioxide to exit the interstitial fluid (310 K) knowing thefollowing conditions: 30 mmol/L CO2), 0.00039 atm pco,, AfG°(CO2) = -393.51 kJ/mol, andAG°(CO2(a)) = -413.80 kJ/mol. What would be the standard state equilibrium constant for thisreaction? Are these two results (AG and K) consistent with each other?

During normal breathing a person inhales oxygen and exhales carbon dioxide through the respiratory…

Answered: 3. Respiration is highly depedent on…

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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19. In general, when the nonbicarbonate buffer concentration is normal, an acute PaCO2 decrease of 10 mm Hg below 40 mm Hg will be associated with which of the following changes?a. [HCO3-] decreases by approximately 10 mEq/L. b. [HCO3-] decreases by approximately 5 mEq/L. c. [HCO3-] decreases by approximately 2 mEq/L. d. [HCO3-] decreases by approximately 1 mEq/L.
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?
1. Is this statement correct or incorrect? Explain. During strenuous exercise, the oxygen-hemoglobin dissociation curve shifts to the right. This rightward shift reflects an increase in the affinity of hemoglobin for oxygen and favors loading of O2 onto hemoglobin in the lungs. 2. Is this statement correct or incorrect? Explain. Compared to hemoglobin, myoglobin has a lower binding affinity for O2 and a higher O2 binding capacity, two characteristics that allow myoglobin to efficiently provide skeletal muscle cells with a readily-accessible reservoir of O2.
Explain what happens to the affinity of myoglobin and hemoglobin towards oxygen and the pH change based on the oxygen binding curves below. Myoglobin 100 80 60 Hemoglobin 40 20 0. 20 40 60 80 100 120 Po, (mmHg) 0, saturation (%)
3. Explain how a change in carbon dioxide will lead to a change in pH, and how this reaction can affect respiratory rate. (no need to do what is instructed) Thank you for your help!
Ilike Running is training for a marathon. While training, his volume of air in each breath is 1.5 L and he takes approximately 15 breaths per minute. His total lung capacity is 5500 mL and his residual volume is 1500 mL. Ilike has a blood pH of 7.2 and his cardiac output is 4.95 L/min. His heart is pumping 172 times per minutes. Finally, his expiratory reserve volume is 750 mL. In order to increase his performance, Ilike wants an analysis of his current exercise values. Please determine the following based on the information listed above. Answe the following Blank 1: Tidal Volume Blank 2: Vital Capacity Blank 3: Ventilation Blank 4: Stroke Volume Blank 5: Inspiratory Reserve Volume:
17. In general, when the nonbicarbonate buffer concentration is normal, an acute PaCO2 rise of 10 mm Hg will be associated with which of the following changes?a. [HCO3-] rises by approximately 10 mEq/L. b. [HCO3-] rises by approximately 5 mEq/L. c. [HCO3-] rises by approximately 2 mEq/L. d. [HCO3-] rises by approximately 1 mEq/L.
00 %24 w/ Charles' Law Change the simulation to "Charles' Law" by clicking the tab at the top of the screen it will be shown in white. You should see the picture below on your screen. 1. Which one of the three variables: Pressure, Volume or Temperature cannot be changed in Charles' Law? This varlable is considered a constant. 1. a. Using the Temperature controls, increase the temperature of the gas. What changes do you observe in the behavlor of the particles of the gas while the temperature is increased? b. Continue to increase the temperature value until T, = 44K. Using the equation for Charles' law, calculate the volume of the gas at this increased temperature. Check your final answer for part b by clicking the calculate button next to V2: c. Based on the final value calculated in part b) is Charles' law considered a direct or an indirect relationship between the variables? Explain your cholce with reasoning. 1. 2. Press the reset button at the top right of the screen. Using the…
51 Messner and Habeler's 1978 ascent of Mount Everest without oxygen-breathing apparatus is often described as one of the most remarkable physical accomplishments achieved by humans. Table 1 shows respiratory gas and arterial pH values measured in a resting mountaineer at sea level, Everest base camp and Everest summit. Use the differences in these values to explain how breathing regulation changes when at rest at the 3 altitudes indicated. Calculations are not required but you may wish to consider the role of central and peripheral chemoreceptors and their relationship to paco,, minute ventilation and alveolar pO, in your response. Table 1: Respiratory gas composition and arterial pH measured in a resting mountaineer at sea-level, Everest base-camp and Everest summit. Arterial Barometric Alveolar Inspired p02 (FIO2) pCO2 (расо2) Altitude Pressure p02 (PAO2) Arterial (m) pH mmHg mmHg mmHg mmHg Sea Level 0. 760 150 106 36 7.4 Everest Base 5,400 404 75 20.4 7.6 Camp Everest 8,848 43 34…
4 1 6. 2 Volume increases Volume decreases Poutside 3 Pinside Poutside 8 Pinside What is the relationship between the pressures at label "3"? P outside > P inside OP outside = P inside OP outside P inside P outside + P inside P outside < P inside
Which of the above curves corresponds to myoglobin in a solution containing physiological concentrations of CO2 and BPG at a pH of 6.8? O O O O O Saturation (Y) Curve 1 Curve 2 Curve 3 2 3 Curve 4 None of the above po₂
A spontaneously breathing patient has a normal PaCO2 of 40 mm Hg, a minute ventilation (VE) of 6 L/min, and a VD/VT ratio of 35% (0.35). Then the patient develops a pulmonary embolus (PE), blocking blood flow to a significant number of ventilated avleoli. Consequently, the measured VD/VT increases to 65% (0.65). 1. Calculate the alveolar ventilation associated with teh original PaCO2 of 40 mm Hg. 2. To maintain the same PaCO2 of 40 after the embolus occurs, what change must occur in total minute ventilation (VE)?

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