Key: with glucose without glucose

Q: In a certain culture of bacteria the rate of increase is proportional to the number present. (i) If…

A: ( a )   In a certain culture of bacteria the rate of increase is proportional to the numberpresent.…

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: What would the activity of a lysozyme sample be if it was able to change the absorbance of a cell…

A: It is asked what would be the activity of lysozyme sample if it was able to change the absorbance of…

Q: Derive a discussion and conclusion for E.coli growth rates at different temperatures and time for…

A: The rod-shaped, gram-negative bacterium Escherichia coli is a member of the Enterobacteriaceae…

Q: Define the term substrate-level phosphorylation:How does it differ from oxidative…

A: Phosphorylation is an important biochemical process, which involves the addition of phosphate to an…

Q: What aeration condition (presence or absence of O2) favors cell growth? What is the metabolic…

A: Aeration means the presence of oxygen and anaerobic condition means the absence of oxygen. The…

Q: Besides the final product, what other important difference is there between the fermentation…

A: Fermentation is an anaerobic process in which energy is extracted from glucose without the need of…

Q: Select all of the following that are false: a) Fermentation directly produces ATP. b) Fermentation…

A: The Latin word fervent is whence the word ferment is derived. The verb fervent means "to boil." The…

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: What is the approximate P/O ratio that can be expected if intact mitochondria are incubated in the…

A: Succinate acid : It is a dicarboxylic acid with the chemical formula (CH2)2 (CO2H)2. In living…

Q: A fermentation process was carried out with a yeast in a chemically defined medium containing…

A: Answer.) :-Fermentation is a biological process that involves the conversion of organic compounds,…

Q: In an experiment where you use different concentrations of avocado catalase to determine how that…

A: Enzymes are biocatalysts that are involved in catalyzing chemical reactions. They speed up the…

Q: A continuious, stirred-tank bioreactor with an actively growing culture of bacteria is operating at…

A: A bioreactor is a manufactured device or a system which supports biologically active environment…

Q: e Lab Request edit access View Tools Help Data Table Amount of Oxygen Collected (mL) in each…

A: In the graph represented,  X- axis has time in seconds. Y-axis has oxygen collected in ml while…

Q: Was there any difference in the amount of gas produced by yeast in room temperature tapwater…

A: Saccharomyces cerevisiae, more commonly known as Baker’s Yeast, is a single-celled microorganism,…

Q: Which antibiotic would cure a yeast infection?

A: NOTE:- "As you haven't provided the data chart, so we will answer your question in general".…

Q: In aerobic respiration, cells generate heat as they grow. The amount of heat generated by cells is…

A: Introduction Anerobic Respiration is a process that occurs in the absence of oxygen. Energy is…

Q: What is the effect of salinity on the rates of photosynthesis versus respiration in Euglena gracilis…

A: Introduction The above graph overall predicts that, for salinities higher than normal, respiration…

Q: Why is the sterile technique (the flame sterilization of wire loop) followed during the fermentation…

A: Fermentation lab simulation provides an easy visual method for determining the rate of fermentation…

Q: If a broth tube is inoculated with 100 cells which immediately enter exponential growth, how many…

A: The generation time, also known as the doubling time of a bacterial population, is the rate of…

Q: What do you predict would happen if the lipase was boiled at 100°C? What do you predict would happen…

A: Enzymes are special kinds of proteins that catalyze all biochemical reactions in the body. Lipase is…

Q: Under certain conditions, E. coli cells grow from a concentration of 0.1 to 0.5 kg/m 3 in 1 hour.…

A: Given data:- Initial concentration of bacteria=X = 0.1 kg/m3  Final concentration of bacteria=Xt =…

Q: In one of the early tests of the chemiosmotic model, formation of ATP was assayed in a suspension of…

A: The "electron transport chain" is a sequence of redox reactions in which electrons are transferred…

Q: Cells use two ways of storing potential energy: 1) as concetration gradients and 2) in molecules. A)…

A: Cells require energy to carry out the metabolism and different process in the body. It is stored in…

Q: If cells are deprived of oxygen, what is the effect on the production of cellularenergy? Be…

A: All living organisms require energy to perform cellular activities. This energy is obtained in the…

Q: Select the correct electron flow from PSII to PSI   Question 29 options:   PQ2 ---> PQH2 ---->…

A: Photosystem II Photosystem II is a light dependent protein complex that breakdown the water and…

Q: You inoculate 100 facultative anaerobic cells onto two media plates. You incubate one aerobically…

A: Introduction  Bacteria are the smallest microscopic unicellular organisms on the earth. Bacteria can…

Q: The data are plotted and we see this graph: 2 Time (weeks) Yeast A 0% Yeast A 5% Yeast A 10% Yeast…

A: By observing the graph We could see that the Yeast A shows a steady increase in the alcohol…

Q: L-lysine is being produced by Corynebacterium glutamicum in a bioreactor using glucose as the carbon…

A: The bioreactor is defined as the cylindrical vessel or instrument in which biological processes are…

Q: first half of the Q cycle results in

A: The mechanism of the participation of ubiquinone in the electron transport process was proposed by…

Q: A genetically modified bacterium was cultivated to produce 1,3-propanediol (1,3-PDO), and the…

A: Oxygen Demand is a measure of the amount of oxidizable substances in a water sample that can lower…

Q: Predict the relative amounts of gas production by yeast when using the following carbohydrates as…

A: Introduction  Together with proteins and fats, carbohydrates are one of the three major…

Q: ii) State what is happening at those wavelengths suggested in (i) above to encourage accumulation of…

A: Light and Pigments Engelmann's Experiment -- Engelmann strung one filament of algae on a slide under…

Q: Table 2 below contains a set of data on batch fermentation of Saccharomyces cerevisiae (wild-strain)…

A: To calculate the specific growth rate, we use monod equation.  U(s) = (Um × S) / (Ks + S).

Q: Describe the similarities and the differences in the growth patterns in the two plates.

A: For optimal microbial growth, various growth conditions are required. Oxygen requirement is one of…

Q: You can determine the Z-value for both organisms by calculating the temperature change required to…

A: D is the decimal reduction time or tenfold reduction time in killing 90% of microorganisms at a…

Q: Explain A cell-cycle mutant of yeast grown at permissive temperature

A: Answer: Introduction: Permissive temperature means the temperature at which a temperature-sensitive…

Q: Beer is produced by yeast fermentation of grain to ethanol. Why must the process of beer production…

A: Anaerobic respiration  The respiration that happens in the absence of oxygen is known as anaerobic…

Q: A polluted lake contains 3 x 10 toxic Poisonum nasticum cells per milliliter. Assuming these grew…

A: Growth of microbes refers to generation of two daughter cells from an existing parental microbe.…

Q: Calculate the amount of oxygen provided to an aerobic culture, expressed as mg O2/L of culture-hour,…

A: An aerobic culture is a kind of bacterial culture in which growth is allowed to occur in a state of…

Q: 1. What fermentation tube is the control tube in this experiment? 2. What two fermentation tubes can…

A: Yeast fermentation is a metabolic process that occurs in yeast cells, wherein they convert sugars…

Q: THINK Answer this question individually 1. Why does the fermentation of sugars, such as glucose and…

A: The cell undergoes cellular respiration and produces energy by using organic molecules like glucose…

Q: Q3 (a) What is the rate of reaction in a Batch Culture system? If the microorganisms follows the…

A: Batch Culture System--It is a closed bacterial culture system  in which the cells of micro organism…

Q: Please handraw this graph with all the necessary detailed information:   Imagine that I text enzyme…

A: The graph is as shown in the white-board.