The following figure shows two absorption spectra. NAD* is the solid line. NADH is the dashed line. 16 NAD+ 12 NADH 240 280 320 360 Wavelength (nm) What is the wavelength of maximal absorbance of NADH in the 280-360 range? Molar absorbance x 103 4.
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- In general, the ratio of oxidized versus reduced NAD is best described by which ONE statement below? A. the NADH/NAD+ ratio is greater than 1 B. the NADH/NAD+ ratio is always changing so one cannot make generalized assertions about this ratio C. the NAD+/NADH ratio is greater than 1 D. the NAD+/NADH ratio is equal to 1a. Follow the increase in NADH concentration by following the increase in absorbance at 340mm.O b. Follow the increase in NADt concentration by following the increase in absorbance at 260nm.c. Follow the decrease in NADH concentration by following the decrease in absorbance at 260nm.d. Follow the increase in NAD* concentration by following the increase in absorbance at 340nm.If the reduction potential for NAD+ is -0.315 V and the reduction potential for oxygen is 0.815 V, what is the potential for the oxidation of NADH by oxygen? A. -1.13 V B. -0.50 V C. 0.185 V D. 0.50 V E. 1.13 V
- NAD in its reduced form is symbolized as Select one: O a. NAD. O b. NAD. O C. NADP+. O d. NADP. O e. NADH.Define the reason behind the increase in absorbance of NADH at 340?The respiratory quotient (RQ) is the ratio of the Liters of CO2 produced to the Liters of O2 consumed by an individual (CO2 exhaled in liters)/(O2 inhaled in liters). It is used as a measure of basal metabolic rate and can indicate which types of molecules are being used by a person to produce energy. For glucose (C6H12O6), this value is 1 as the equation for the complete oxidation of glucose is: C6H12O6 + 6 O2 → 6 CO2 + 6 H2O For fatty acids that are degraded through beta oxidation and fed into the TCA cycle, the RQ value would be ______ the values for glucose oxidation. Fill in the blank with: a) higher than b) the same as c) lower than
- Which of the following should inhibit the PDC by feedback inhibition? Choose all that apply. NADH NAD+ CoASH Acetyl-CoA Pyruvate Glucose 6-phosphateHow will the color change of the bromothymol blue solution be affected by exercise? Be sure to explain why. Explain how the intensity of your exercise would alter your CO2 production.How can you identify biological role for the following substances depending on their ratio / porportion within the cells; NAD+/NADH and NADP+/NADPH?
- NADH and succinate are substrates that can be oxidized and will consume oxygen. Rotenone and cyanide are inhibitors of the electron transport chain and can block oxidation. Match each description of the effector to the appropriate oxygen consumption. A plot may match more than one description. Some plots will not match any description. (At least one of the matches in the image was incorrect)Based on the name, NADH dehydrogenase isa) a vitamin that oxidizes NADH.b) a vitamin that reduces NADH.c) a vitamin that produces NADH.d) an enzyme that oxidizes NADH.e) an enzyme that reduces NADH.Write out the balanced chemical equation for the oxidation of C16:cis-9 to acetyl-CoA, including electron transfers and oxidative phosphorylations (ATP). (Convert the NADH & FADH2 to ATP) 1 FADH2 = 1.5 ATP 1 NADH = 2.5 ATP
