Where would 14C have to be in the starting glucose to ensure that the fermentation process releases all of the 14C label as 14 CO2? The 14C label could be in the C-1 position of glucose. The 14C label could be in the C-2 position of glucose. The 14C label could be in the C-3 position of glucose. The 14C label could be in the C-4 position of glucose. 14C label could be in the C-5 position of glucose. The The 14C label could be in the C-6 position of glucose.
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- Switchgrass is used for ethanol production. The composition of the switchgrass is 37% cellulose, 24% xylan, 3% galactan, 4% arabinan, 20% lignin, 7% extractives, and 5% ash. A dilute acid pretreatment method is applied to the switchgrass before enzymatic hydrolysis and fermentation. The pretreatment hydrolyzes 10% hexosan and 90% pentosan into monomeric sugars. Approximately 30% of the hydrolyzed pentoses further react & are decomposed to furfural. Assume that there is no decomposition of the hydrolyzed hexoses. Further Assume that lignin, extractives, and ash do not change during the pretreatment. • How much of each lignocellulosic sugar (glucose, xylose, galactose, and arabinose) is produced when pretreating 1,000 kg (dry matter) switchgrass? How much furfural is formed? • Is water consumed or produced in these pretreatment hydrolysis and dehydration reactions? How much in each?Besides the final product, what other important difference is there between the fermentation pathways of E. coli? Or, in other words, for what purpose does the cell activate the fermentative pathways when there is lack of oxygen?You are attempting to create an E. coli mutant that lacks the enzyme to convert 1,3- Bisphosphoglycerate into 3-Phosphoglycerate. Normally you grow your E. coli in a medium with glucose as its only carbon source. What other compound would you need to add to your normal medium in order to allow your mutant E. coli to grow? Pentose phosphate cycle Pentose phosphate Sedobestudose 2 phosphate Enthrise-4phosphate Glyceraldehyde 3phosphate Fructose Erythrose Glycolysis Glucose phosphate Fructose-6-phosphate Fructose 1.6 diphosphate Glyceraldehyde-3-phosphate Dihydroxyacetone phosphate 1,30iphosphoglycerate 3Phosphoglycerate Dynwate 2Phosphoglycerate Phosphomolywate Acetyl coenzyme A- Crate Isocrate 20 Oxaloacetate, TCA cycle Fumarate Succinate You don't need to add a second carbon source for your mutant to grow Pyruvate Succinyl coenzyme A
- The image shows a blend of petrol and a biofuel. Which is the correct order of events in the production of this fuel? E10 Select one alternative: O Yeast added; Glucose produced; High starch material added; Alpha-amylase added; Ethanol produced O High starch material added; Alpha-amylase added; Yeast added; Glucose produced; Ethanol produced High starch material added; Yeast added; Alpha-amylase added; Glucose produced; Ethanol produced O High starch material added; Alpha-amylase added; Glucose produced; Yeast added; Ethanol produced O Alpha-amylase added; Glucose produced; High starch material added; Yeast added; Ethanol producedYou inoculate two test tubes with the same amount of identical growth medium and with the same number of identical yeast cells and grow these cells under identical conditions except for the presence or absence of oxygen. b) The cells of both cultures convert glucose to pyruvate via glycolysis, and then further metabolize pyruvate. Are the cells of both cultures able to obtain the same amount of ATP from glycolysis? Explain. Under anaerobic conditions, the carbon from pyruvate will ultimately be found in which molecule? Under aerobic conditions, the carbon from pyruvate will ultimately be found in which molecule?The following complex natural product has been biogenetically produced via a pericyclic reaction(s) at the final stage. Can you propose the structure of the precursor? Но H. Me Me OH Me' rol Ме
- Describe the following through Venn diagram a) Alcohol fermentation and Lactate fermentation. b) DNA polymerase and RNA polymerase c) Active site and allosteric siteIn the isolation of glycogen from liver, why it is necessary to filter the solution while it is still hot? Explain in 1-3 sentencesThe photosynthetic process used by the green sulfur bacteria, under anaerobic conditions, is best represented by which of the following balanced equations? cell bio 6CO2 + 12H2S C6H12O6 + 6S2 + 6H2O C6H12O6 + C6H12O6 C12H22O11 + H2O 6CO2 + 12H2O C6H12O6 + 6O2 + 6H2O C12H22O11 + H2O C6H12O6 + C6H12O6 C6H12O6 + 6O2 + 6H2O 6CO2 + 12H2O
- Select all of the following that are false: a) Fermentation directly produces ATP. b) Fermentation allows glycolysis to continue. c) Fermentation allows cell respiration to continue.Different sugars prove to be easier or harder for yeast to metabolize. This affects the amount of energy you can get from each different sugar molecule. The easier the sugar molecule is to metabolize, the higher the energy yield (ie ATP yield). Match the following sugars to their relative energy output from metabolism: Sucrose I Select ] Lactose [Select ] Maltose I Select ] Glucose [Select ] Fructose Select]How many liters of CO2 can be generated from the fermentation process involving 200.5 g C6H12O6 ? The process has been done in a room with a temperature of 28 degrees celcius and a pressure of 1.02 atm. C6H12O6(aq) -> 2C2H5OH(l) + 2CO2 (g)