3. A biochemistry lab wants to developa method to measure a biochemical transformation in acell by energy consumption that is coupled to the system NAD*/NADH (see below). The HOMO-LUMO gaps (energy needed for the n>n* transition) for the two forms were calculated to be3.12eV and 4.14eV. Based on their structure assign the HOMO-LUMO gaps to either form andassign their UV bands.ADPRibADPRibReductionOxidation0.2NH2ннNH2NAD*NADH250300350400450a (nm)

Here in question, HOMO is Highest Occupied Molecular Orbital and LUMO is Lowest Unoccupied MO…

Answered: 3. A biochemistry lab wants to develop…

Biochemistry

6th Edition

ISBN:9781305577206

Author:Reginald H. Garrett, Charles M. Grisham

Publisher:Reginald H. Garrett, Charles M. Grisham

Chapter19: The Tricarboxylic Acid Cycle

Section: Chapter Questions

Problem 5P: Understanding the Action of Fluoroacetate on the TCA Cycle In a tissue where the TCA cycle has been...

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Similar questions

1. The following refer to DPIP (2,6-dichlorophenol-indophenol) and photosynthesis data in Table 3.(see attached table) a. Is there evidence that chloroplasts were able to reduce DPIP in this experiment? Explain in your own words. b. Were chloroplasts able to reduce DPIP when kept in the dark? Explain in your own words. c. Were boiled chloroplasts able to reduce DPIP? Explain in your own words.
7. Why are electron carriers (NAD+/NADH and FAD/FADH2) so important in the process of cellular respiration? a) They deliver electrons to the ETC, which in turn sets up chemiosmosis, where most of the ATP is generated. b) They separate the electrons from the protons so that the protons can be moved out of the mitochondrion. c) NADH and FADH2 are major components of the ETC, so without them, there would be no ETC in the cell. d) The electrons that they carry are able to directly phosphorylate ADP in order to generate the bulk of ATP in the cell. e) They transport protons across the mitochondrial membrane.
1) If we put a photosynthetic organism in a closed, sealed environment and shine a light on it, we observe that the CO2 and O2 levels in the container reach constant levels. a) Explain why this would occur. b) What factor/value would you expect to be the primary determinant of this value?
P700* Has the Most Negative Standard Reduction Potential Found in Nature In photosystem I. P700 in its ground state has an = +04 V. Excitation of P700 by a photon of 700-nm light alters The of P700* to -0.6 V. What is the efficiency of energy capture in this light reaction of P700?
Understanding the Action of Fluoroacetate on the TCA Cycle In a tissue where the TCA cycle has been inhibited by fluoroacetate, what difference in the concentration of each TCA cycle metabolite would you expect, compared with a normal, uninhibited tissue?
Which of the following statements about the C4 cycle is incorrect? a. CO2 initially combines with PEP. b. PEP carboxylase catalyzes a reaction to produce oxaloacetate. c. Oxaloacetate transfers electrons from NADPH and is reduced to malate. d. Less ATP is used to run the C4 cycle than the C3 cycle. e. The cycle runs when O2 concentration is high.
The enzyme directly responsible for almost all carbon fixation on Earth is (a) rubisco (b) PEP carboxylase (c) ATP synthase (d) phosphofructokinase (e) maltase
Which of the following statements about the allosteric site is true? a. The allosteric site is a second active site on a substrate in a metabolic pathway. b. The allosteric site on an enzyme can allow the product of a metabolic pathway to inhibit that enzyme and stop the pathway. c. When the allosteric site of an enzyme is occupied, the reaction is irreversible and the enzyme cannot react again. d. An allosteric activator prevents binding at the active site. e. An enzyme that possesses allosteric sites does not possess an active site.
2. Which of the following statements is TRUE about phosphofructokinase-1? Select one: a. It is stimulated by AMP and ADP. b. It is inhibited by AMP and ADP. c. It is stimulated by citrate and ADP. d. It is stimulated by citrate and ATP.
1. A) For the schematic of a chloroplast shown in the image attached, match the major input and output molecules of photosynthesis to the letters shown. Molecules: CO2, H2O, O2, sugar A: B: C: D: B) In the image attached, the light reactions are shown to take place in the thylakoid. Where specifically do these reactions take place? C) Where does the Calvin cycle take place?
4. Anammox bacteria are known to obtain energy from the anaerobic autotrophic oxidation of one mole of NH4+ with N02- to form one mole of N2. (1) Develop an electron equivalent energy reaction for the anammox organisms. (2) Calculate ΔGr (kJ/1nol) for this reaction. (3) Calculate fs° for the anammox autotrophic reaction, assuming ε =0.4, N02- is the N source, inorganic carbon is the carbon source and Y is in g VSS/g N.
3. These are the by-products of aerobic respiration that are considered low-energymolecules.

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