What result do you report for one of your unknown bacteria in terms of lactose fermentation?

Q: Why is it advantageous for the E.coli to stop production of lactose digesting enzymes when lactose…

A: An operon contains a group of genes that are regulated by a single promoter. These genes are…

Q: In this lab, we used three different bacteria (E. coli, B. subtilis, and A. faecalis) in…

A: Fermentation is the process by which organic substrates undergo several chemical changes, by the…

Q: How are the metabolic pathways different in lactic acid fermentation and ethanol fermentation?

A: Lactic acid fermentation as well as alcoholic fermentation both occurs in absence or lack of oxygen.…

Q: How is it possible to maximize ethanol production using genetically modified yeasts?

A: A novel genetic engineering technique was used to make yeast more resistant to the negative effects…

Q: E.coli cell?

A: E.coli(Escherchia coli),is a gram-negative,facultative anaerobic,rod shaped,coliform bacterium of…

Q: How is chyme produced?

A: Biochemistry is a branch of science that deals with the study of chemical processes related to the…

Q: How does the lactic acid test and sepsis tie in and relate to the fermentation and final electron…

A: The lactic acid test is performed to identify the level of lactic acid or lactate in the blood…

Q: What distinguishes a coenzyme from an ordinary substrate?

A: In a Catalysis process, the rate of the reaction is changed with the help of a substance called a…

Q: Why is it desirable for a microbe with the Embden-Meyerhof pathway and the TCA cycle also to have…

A: Microbes are single cellular organisms that are unable to view through the naked eyes. They can be…

Q: What is pyruvate converted into for the two fermentation types?   lactate (lactic acid) and ethyl…

A: Fermentation is a metabolic process that produces chemical changes in organic substrates through the…

Q: Ex.15B = Determining Culture Purity: Separating Cultures from an Unknown Mixture (p. 137) What…

A: Yogurt production is an age-old process that harnesses the metabolic capabilities of specific…

Q: Do obligate anaerobes require a functional oxidase, why or why not?

A: Oxidase is type of an enzyme that is responsible for catalyzing redox reactions, especially the one…

Q: What kind of fermentation occur in yeast? why?

A: Pyruvate, the end product of glycolysis has two fates. In the absence of oxygen, it undergoes…

Q: How is the reduced NAD produced in glycolysis used in fermentation?

A: In glycolysis, 2 molecules of reduced NAD are produced when glucose is oxidised to pyruvate.…

Q: What type of molecule is CoA? What molecule does it get added to during respiration? What is its…

A: Answer:  RESPIRATION = This is a biological , metabolic processs occur in cells where free energy is…

Q: Distinguish between ethanol fermentation and lactic acid fermentation.

A: Ethanol fermentation : refers to the metabolic process by which glucose is converted into ethanol…

Q: What enzyme catalyzes the committed reaction of the urea cycle? carbamoyl phosphate synthetase II…

A: Urea cycle is the metabolic pathway that converts the excess of ammonia formed in protein or amino…

Q: Why is acetate formation in fermentation energetically beneficialto the cell?

A: Fermentation is the chemical breakdown of molecules like glucose in the absence of oxygen. The…

Q: How can acid production by glucose and lactose fermentation be differentiated in the same tube?

A: Lactic acid fermentation: It is the fermentation , in which the  metabolic process by which glucose…

Q: What is the chemical reaction that takes place to convert pyruvate to end product in both alcohol…

A: Glycolysis:  The metabolic mechanism that transforms glucose (C6H1206 ) to pyruvic acid (CH3COCOOH )…

Q: How does fermentation differ between horses and cattle?

A: The hindgut fermenters consist of the single-chambered stomach but the foregut fermenters stomach is…

Q: I'm using DNS reagent to test starch digestibility and find that MOCAF (modified cassava flour) has…

A: Modified cassava flour (MOCAF) can be explained as the flour which is produced from the processing…

Q: Depending on the type of microbe, the pyruvate generated in glycolysis can be used for fermentation…

A: Glycolysis is the process of breakdown one molecule of glucose into two molecules of pyruvate and…

Q: Why is the lactic acid test done when sepsis is suspected?  Explain why the body produces excess…

A: During sepsis, the serum level of lactate rises above 2 millimoles/Litre.The serum lactate levels…

Q: What coenzyme transfers an acyl group from one substrate to another?

A: The coenzymes are cofactors that are synthesized inside the body due to the intake of pantothenic…

Q: What are the end-products of anaerobic catabolism of glucose via fermentation?

A: Carbohydrate is one of the most important sources of energy in the body. It is broken down to…

Q: What are the differences between B-oxidation in mitochon- dria and in peroxisomes? What similarities…

A: Beta-oxidation is the catabolic process by which fatty acid molecules are broken down, producing…

Q: How many ATPs per glucose does fermentation produce?

A: Life exists without oxygen in a few places, like waterlogged soils, sewage treatment plants, deep…

Q: Why can it be said that each glucose molecule runs the Krebs cycle twice?

A: The process of exchange of gases through different modes, like air or water, for their survival is…

Q: What are the similarities and difference of lactic acid fermentation and alcoholic fermentation?

A: Fermentation is the process that starts with glycolysis. Lactate production involves the conversion…

Q: 4. Write the balance equation in the above reaction. CaltrOucag) -→ 2602 caq) + 202HE OHCoq) + 2ATP…

A: During cellular respiration, respiratory substrates like glucose, sucrose, fructose, etc.  may…

Q: Why does glutamate the only amino acid used in oxidative deamination

A: Glutamate is an acidic amino acid that acts as the only amino acid used in oxidative deamination.…

Q: What type of substrates are fermented by saccharolyticclostridia? By proteolytic clostridia?

A: The clostridia are able to ferment a wide range of substrates to form organic acids as well as…