Asked By: Gilbert Smith Date: created: Mar 25 2022

What would 7 pH indicate

Answered By: Kevin Clark Date: created: Mar 26 2022

pH is a measure of how acidic/basic water is.

The range goes from 0 to 14, with 7 being neutral.

pHs of less than 7 indicate acidity, whereas a pH of greater than 7 indicates a base.

Water that has more free hydrogen ions is acidic, whereas water that has more free hydroxyl ions is basic..

Asked By: Miles Barnes Date: created: Feb 20 2023

Can bacteria grow in high pH

Answered By: Carl Richardson Date: created: Feb 22 2023

Upper and Lower pH Values Most bacteria grow best around neutral pH values (6.5 – 7.0), but some thrive in very acid conditions and some can even tolerate a pH as low as 1.0. Such acid loving microbes are called acidophiles.

Asked By: Adam Richardson Date: created: Jan 21 2022

How does temperature and pH affect bacterial growth

Answered By: Francis Bailey Date: created: Jan 22 2022

Microorganisms grow best at their optimum growth pH. Growth occurs slowly or not at all below the minimum growth pH and above the maximum growth pH. Microorganisms thrive at a wide range of temperatures; they have colonized different natural environments and have adapted to extreme temperatures.

Asked By: Nathaniel Ross Date: created: Apr 06 2022

How does pH affect microbial communities

Answered By: Cameron Cooper Date: created: Apr 09 2022

pH influences the occurrence and distribution of microorganisms. Microbes typically live over a range of 3–4 pH units and are described as acidophiles, neutrophiles, and alkaliphiles, depending on the optimal pH for growth. … The results reveal that environmental pH changes energy yields both directly and indirectly.

Asked By: John Morgan Date: created: May 07 2022

How does pH affect the environment

Answered By: David Wood Date: created: May 08 2022

Soil pH affects the amount of nutrients and chemicals that are soluble in soil water, and therefore the amount of nutrients available to plants. Some nutrients are more available under acid conditions while others are more available under alkaline conditions.

Asked By: Ian Powell Date: created: Aug 25 2022

What is the maximum pH that the bacteria can sustain in terms of alkalinity

Answered By: Alan Garcia Date: created: Aug 25 2022

7.0 to 8.5What is the maximum pH that the bacteria can sustain in terms of alkalinity? Explanation: Operation outside of the pH range of 7.0 to 8.5 can be toxic to bacteria; however, if the change is gradual the micro-organisms can become acclimated to pH levels slightly beyond this range.

Asked By: Timothy Cox Date: created: Mar 26 2022

What pH kills E coli

Answered By: Benjamin Rivera Date: created: Mar 26 2022

Previous studies have demonstrated the ability of E. coli O157:H7 to survive pH 3.0 for 2 to 5 h (2, 5, 8, 15). In this study, we have demonstrated the ability of a nontoxigenic strain of E. coli O157:H7 to survive prolonged exposure to pH 3.0.

Asked By: Jordan Roberts Date: created: Jul 17 2022

What are the factors that affect bacterial growth

Answered By: Christian Coleman Date: created: Jul 18 2022

Some of the important factors affecting bacterial growth are:Nutrition concentration.Temperature.Gaseous concentration.pH.Ions and salt concentration.Available water.Jul 28, 2017

Asked By: William Baker Date: created: Aug 14 2022

Does high pH kill bacteria

Answered By: Reginald Davis Date: created: Aug 15 2022

Lowered water activity and pH are not kill steps. They do not eliminate microorganisms. They simply prevent growth of microbes to toxic levels. Because the heat treatment destroys all microorganisms except spore forming bacteria, they can be packaged at higher water activities and pH levels.

Asked By: Daniel Garcia Date: created: Feb 18 2023

What pH level inhibits bacterial growth

Answered By: Jackson Hayes Date: created: Feb 19 2023

Bacteria are generally neutrophiles. They grow best at neutral pH close to 7.0. Acidophiles grow optimally at a pH near 3.0. Alkaliphiles are organisms that grow optimally between a pH of 8 and 10.5.

Asked By: Christopher Brown Date: created: Sep 13 2022

How does temperature affect bacterial growth

Answered By: Ronald Williams Date: created: Sep 13 2022

Generally,an increase in temperature will increase enzyme activity. But if temperatures get too high, enzyme activity will diminish and the protein (the enzyme) will denature. … Every bacterial species has specific growth temperature requirements which is largely determined by the temperature requirements of its enzymes.

Asked By: Eric Clark Date: created: May 12 2022

Why do bacteria grow faster at higher temperatures

Answered By: Fred White Date: created: May 15 2022

Bacteria, single celled eukaryotes and other microbes, can only live and reproduce within a certain range of environmental conditions. … As the temperature increases, molecules move faster, enzymes speed up metabolism and cells rapidly increase in size.

Asked By: Raymond Baker Date: created: Jul 09 2022

At what temperature does bacteria die

Answered By: Michael Bennett Date: created: Jul 12 2022

Danger Zone! Bacteria multiply rapidly between 40 and 140 degrees. Bacteria will not multiply but may start to die between 140 and 165 degrees. Bacteria will die at temperatures above 212 degrees.

Asked By: Harold Bailey Date: created: Jun 17 2022

What temperature does bacteria grow

Answered By: Richard Wood Date: created: Jun 20 2022

Pathogenic bacteria grow quickly in food at temperatures between 40 to 140°F (5 to 60°C).

Asked By: Jeremiah Gonzalez Date: created: Jul 13 2022

At what pH does E coli die

Answered By: Landon Thomas Date: created: Jul 15 2022

Benefited from the complicated AR and ATR systems, E. coli can survive without growth for several hours at pH 2.01,18,19,20, and the acid limit for growth of E. coli is pH 4.0 in rich medium, or pH 4.5 in minimal medium6,18,20,21,22.

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