Key: with glucose without glucose

Q: The solution containing bacterial spores is heated in an autoclave. When the autoclave has reached a…

A: Given that          Number of spores after autoclave reaches 121 C (No) = 106 spores/ml…

Q: If the result of an unknown bacteria is “poor growth” and “red growth,” can this result be…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

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: Consider the growth curve shown below. Cells were grown in a medium containing 1 % w/v glucose and…

A: The given graph represent the biphasic growth of cells. Cells are grown on two carbon sources…

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: Your lab coordinator has decided to grow and maintain a sourdough starter. A sourdough starter is a…

A: In many species of reptile for example, no fixed temperature is necessary, but the actual for sake…

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: One of the early results shows that the post-centrifugation pellet of encapsulated cells also…

A: Centrifugation is a technique by which molecules of different sizes and densities are separated by…

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 cyclic AMP (CAMP) binding protein was isolated from mammalian cells and characterized by…

A: Given that,The ligand is cAMPThe receptor is cAMP binding protein (CBP)also the concentration of CBP…

Q: esence or absence of oxygen. After 12 hours, all of the glucose in each culture has been ned. You…

A: 1) The cell culture grown aerobically with the presence of oxygen will have more cell density than…

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: 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: Which of the following methods should NOT be used to thaw frozen meats? a) refrigerator thawing b)…

A: Thawing is the process of taking a frozen product from frozen to a temperature (usually above 0°C)…

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: a) Make a drawing of the cells from each culture to identify the various stages of the cell…

A: Saccharomyces cerevisiae is a eukaryotic organism that is used in various scientific experiments. It…

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: 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: Name this device for the cell culture system. [Namakan peranti ini untuk sistem kultur sel.] Examine…

A: Q(i) turbidostat  Device used for  Cell cultureThe turbidostat technique is a method used in…

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: Consider a batch culture of sphere-shaped bacteria in a growth medium or broth, in which the mean…

A: Batch culturing of microorganisms is an important part of industrial applications of microbiology.…

Q: A biochemist is trying to determine the type of proteases they have isolated from walrus blubber.…

A: Hi! Thank you for the question. We are authorized to answer one question at a time, since you have…

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: In the context of flow cytometry data: The Lactobacillus cells also show a clear increase in PerCP…

A: As stained with SYBRGreen (SG), Lactobacillus cells exhibit a noticeable increase in PerCP (red)…

Q: A bacterial culture is initially composed of 100 cells. After 1 hour the number of bacteria is 1.5…

A: The given answer calculates how long it will take for bacterial populations to quadruple in perfect…

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: Calculate the mean generation time of a bacterium that increased its number from 1 x10° cells/ml to…

A:

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…