5. How does yeast utilize glucose for respiration? Write down the chemical equationmsi

Yeast uses glucose molecule for respiration and ultimately lead to formation of ethanol. Therefore…

Answered: 5. How does yeast utilize glucose for…

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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29. A culture of green algae was kept at a constant temperature and subjected to periods of dark and light. It consumed an average of 7 cm3 of oxygen per hour by respiration in either light or dark conditions. When in light conditions, it produced an average of 23 cm3 of oxygen per hour of photosynthesis. What is the net volume of oxygen produced by the algae over a 24-hour period consisting of 14 hours of dark followed by 10 hours of light? * A. 38 cm3 B. 62 cm3 C. 132 cm3 D. 160 cm3
4. Desulfovibrio africanus is an organotroph that carries out anaerobic respiration using two of the redox couples below to generate energy and reducing power. Thiobacillus denitrificans is a chemolithotroph that uses the waste product of Desulfovibrio's e transport system as a source of e, and also carries out anaerobic respiration using one more of the redox couples. Which organism would produce the most energy per mole of its e donor? Show your work. C3H4O3/C3H8O3 (-0.28 V) 0₂/H₂O (+0.82) NO2/N2 (+0.38 V) S₂O32/H₂S (-0.18 V)
1.List 2 molecules that are produced by fermentation in yeast. 2.State the first law of thermodynamics, and explain how it relates to the study of life.
6. A hypothetical electron-transport chain contains an electron donor (1), an electron carrier (2), and an electron acceptor (3). Which of these molecules has the highest redox potential? Explain why the answer is correct and why the other two are wrong.
1. describe the process of cellular respiration 2. where does cellular respiration occur in the cell? 3. what is a balanced chemical reaction that depicts the process of velour respiration
5. STOICHIOMETRY OF CELL GROWTH. Candida utilis is a yeast that is approved for use as a food additive, and is used in industrial production of carotenoids and other biochemicals. A batch cell culture of Candida utilis growing on glucose (C6H12O6) and ammonia (NH3) is used to grow additional cells under aerobic conditions. Given feeds of 550 g glucose, 230 g ammonia and 280 g oxygen (O₂) (assume O₂ is bubbled through so that all 280 g are easily accessible to the cells}: A. Which nutrient is the limiting nutrient? B. What mass of new cells (dry basis) will be produced when the limiting nutrient is fully consumed? (Assume that the cells stay in exponential growth phase until all of this nutrient is consumed.) C. Write the balanced stoichiometric equation for cell growth. D. What is the respiratory quotient (RQ) for this cell growth? Notes: There are two values for cell formula for Candida Utilis growing on glucose. Use the first entry with a specific growth rate of 0.08 h¹. Yields based…
25. Of the following metabolic processes, which one is common to photosynthesis and cellular respiration? A. reactions that convert CO2 to sugar B. reactions that split H20 molecules and release 02 C. reactions that convert light energy to chemical energy D. reactions that store energy by pumping H* across membrane
11. Chambers and coworkers have reported [NAD*] and [NADH] concentrations in yeast mitochondria as 20 mM and 0.3 mM, respectively. Consider the Malate Dehydrogenase reaction below: Malate + NAD* → Oxaloacetate + NADH + H* AG° = +29.7 kJ/mol If Malate concentration in yeast mitochondria is 0.4 mM what is the maximum concentration of oxaloacetate needed to make the reaction exergonic at pH 7.0 and 37°C? А. 7.14 х 105 В. 2.04 х 104 С. 8.17 х 106 D. 5.45 x 108 Е. 2.63 х 107 F. 4.69 x 108 G. 4.90 X107 Н. 3.13 х 106 I. 5.05 х 106
If you know anything about the biology can you help me on this yeast fermentation lab worksheet if you did the lab or u know anything about
1. What is the process for ATP production in the genus Giardia called?2. What is the light-sensitive protein in the Class Halobacteria important for ATP synthesis?
3. Elle and Shawn set up an experiment for Science Fair to see how yeast growth is affected under a variety of conditions. To begin their work, they set up a yeast culture in Elle's kitchen using sugar as a food source. Their initial data is shown in the graph below, and gives the mass of yeast per cc or milliliter of culture. What is not true about this data? A. The carrying capacity has a value of 6.7 mg/cc. B. The growth rate at 24 hours cannot be determined. C. The yeast stopped growing due to limited food. D. The data shows a density-dependent factor. 7.5 6.아 4.5 3.아 1.5- 0 2 4 6 8 10 12 14 16 18 20 Hours Amount of yeast (mg/cc)
4

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