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I am having an incredible difficult time understanding how to do this. This is for Measuring gas bubbles in terms of Ceullar Respiration for yeast fermentation.
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- 1. Which medium would you consider to be “complex” and which “defi ned”? Which is “rich” and which is “minimal”? Explain your answers. 2. Given that polyurethane is a huge polymer (MW >>100,000 Daltons), why is it important that thepolyurethanase is a secreted enzyme? If we assume that the polyurethane is the source of energy for the organism, how can material (carbon atoms) from it fi nd its way into the central metabolic pathways ofthis microbe? What is the “entry point”? What happens after its entry into the metabolic pathway?5. How does yeast utilize glucose for respiration? Write down the chemical equation.Using the data provided 6. Which carbohydrate (fuel) did yeast use fastest (i.e. most gas produced? B. Was this result what you expected yes/no? C. Why do you think yeast used this carbohydrate (fuel) fastest? Hint: Think about a) The structures of the carbohydrates in the process of cell respiration, and/or b) what kinds of molecules cells need to break down these carbohydrates.
- 6) Compare & contrast the processes of Cellular Respiration & Lactic Fermentation. Be sure to discuss the processes and the molecules produced/consumed that they have in common as well as what the key differences between these two processes in terms of the molecules produced and the overall result.Fully answer any one of the two questions below using all relative terms: Describe the reactants and products associated with the yeast fermentation experiment. Yeast were exposed to glucose, sucrose, fructose and starch. What was the dependent variable in this experiment? What was the independent variable? List three controlled variables from this experiment. OR Identify the photosynthetic pigments in plants and describe the colors/wavelengths of the electromagnetic spectrum they absorb. Describe paper chromatography and how this was used to separate the pigments.1. Boiling the solution (water + glucose + yeast + heat) had not impact on the ability of yeast to undergo fermentation. True or false? 2. The pH of the solution was acidic in the flasks in which fermentation occurred. True or false? 3. In the absence of oxygen, yeast cells can obtain energy by fermentation, resulting in the production of _______. A. ATP, carbon dioxide, and ethanol (ethyl alcohol) B. none of the above C. ATP, NADH, and water D. ATP and carbon dioxide
- Yes, but Kelper 28, is a unicellular, carbon based, eukaryotic organism so how is chemosynthesis possible?Yeast cells grew from 19 to 54 kg dry cells m-3 in 7 hours. During this period 81 g of glycerol was consumed per 1L of the fermentation broth. Determine the average specific growth rate and the cell yield with respect to glycerol.Modified TRUE or FALSE. Write the word TRUE if the statement is correct. If the statement is false, write the incorrect underlined word/s and indicate the correct word/s to make the statement true. The dark reaction phase depends on the products of light-dependent phase to produce carbohydrates.
- Tags: cell respiration, enzymes, metabolic pathways, Biology, Chemistry, biochemistry, Pls help me answer i to l and explain why would they increase/decrease/no effect.You are talking with a winemaker about yeast. "I know that yeast can survive under both aerobic and anaerobic conditions," he says, "but what I don't understand is why they seem to need so much more sugar under anaerobic conditions. I think they gobble a hundred times as much sugar." Can you explain to him why yeast might need more sugar under anaerobic conditions than under aerobic conditions? Is his estimation of a hundred times as much sugar reasonable?10. Chloroplast ATP synthase contains 14 c subunits. How many protons must be translocated to the thylakoid lumen to support the synthesis of one ATP? Please help.