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What else can I help you with?
Why few bacteria are found in the human stomach?
I keep bacteria in my stomach, my dr. Prescribe antibiotics & i take it for 15 days, but the bacteria keeps coming back & we don't understand. This time she is requesting a stool sample after i finish the medication.
Advantages of pour plate method over other methods of bacterial colony?
The purpose of the spread-plate technique is to grow and isolate colonies of bacteria. A sample of bacteria is transferred to the agar plate, an environment that provides nourishment for the bacteria to grow. The bacteria sample is applied to the agar plate which a special streaking technique that dilutes the amount of bacteria in each section of the agar plate continuously. This is because if you just swabbed the bacteria onto the plate with no special technique the colonies would grow very densely together and be difficult to study. The streaking technique gradually dilutes the amount of bacteria in each 'quadrant' of the plate, so the last quadrant should have small, isolated colonies that can be easily studied. The spread plate technique is also used for the eneumeration of aerobic microorganisms from the given sample. This can be done by serial diluting the samples, placing 0.1ml of the diluted sample in the middle of an agar plate and spreading the sample over the surface with a help of an L-rod. After the incubation rhe colonies can be counted.
What tests are used to test for the presence of starch and glucose?
for the starch iodine test is performed in which the starch reacts with iodine to produce dark blue colour which confirms the presence of starch. for glucose benedict's and fehling's test is performed. benedict's test: 1 ml sample is mixed with 1 ml of benedicts solution and the heated upto boiling if the colur changes to brick red then it confirms the presence of glucose fehling's test: similarly 1 ml fehling's solution I & fehling's solution II each in taken together and to it 1 ml of the sample is takenon then heated uptill boiling. if the colour changes to brick red the it confirms the presence of glucose.
Science what is a sample taken without bias?
The answer is Random Sample
Why aren't you likely to get lag and death phases in this experiment?
You will not see a lag phase because the bacteria of your sample have already been growing for a period of time and are past that point of the growth curve. You will not see a death phase because the bacteria will not begin to die in substantial enough numbers to initiate the death phase before the 60-90 minute lab period is over.
What is the Excessive numbers of other bacteria in a sample that can interfere with counting coliform is called?
The excessive numbers of other bacteria in a sample that can interfere with counting coliform is called bacterial interference or bacterial overgrowth. This can lead to inaccurate results when trying to quantify coliform bacteria in the sample.
What is a coliform count?
A coliform count is a microbiological assay of the number of coliform-type bacteria living in a certain sample. This is often used as a measure of fecal contamination of water supplies.
What is a coliform count of water?
Coliforms are rod shaped gram negative bacteria that are often in well water. Not all coliform are harmful, but those of fecal origin are very harmful. The lab coliform count determines what type and how many coliform are in a water sample. This result is always marked "fit for human use" or "NOT fit for human use".
What is meant by coliform negative in 0.1g?
"Coliform negative in 0.1g" refers to the absence of coliform bacteria in a sample weighing 0.1 grams. Coliforms are a group of bacteria commonly found in the environment and are used as indicators of water quality and sanitation. A negative result indicates that the sample is likely safe from contamination by fecal material or pathogens. This is important for assessing the safety of food, water, or environmental samples.
What are coliform bacteria?
A coliform count is a microbiological assay of the number of coliform-type bacteria living in a certain sample. This is often used as a measure of fecal contamination of water supplies.
What does10000 colonies ML mean in urine culture?
It means that the urine sample contains 10,000 colonies of bacteria per milliliter. This indicates a significant amount of bacteria in the urine, which may suggest a urinary tract infection.
What is a stool sample?
A stool sample is a small amount of feces collected for medical testing. It is used to diagnose various conditions such as infections, gastrointestinal disorders, and parasites by analyzing the presence of bacteria, blood, parasites, or other substances in the stool.
What are acceptable coliform levels in water?
This varies from country to country and possibly even states in US. However in general, drinking water must have NO coliform at all - that is called '0/100ml'Swimming pool water is generally allowed '200/100ml'. Anything other than that is 'high' . In general terms coliform is in almost every pool of water and in almost every well. What we are most concerned about is E coli , which is fecal coliform and is dangerous to humans.If you are in any doubt re E coli in drinking water, then take a sample in a sterilised bottle to your local lab. A lab test is usually about $25 in US/Canada and is well worth it to avoid dysentery and associated illnesses.
What is sample ALH84001?
•Evidence for life -Presence of small organic compounds called PAHs -Small bacteria-shaped morphologies -Magnetite crystals Mars rock in question
How can you determine the presence of bacteria in your environmental samples?
To determine the presence of bacteria in environmental samples, you can use techniques such as culturing, microscopy, and molecular methods like polymerase chain reaction (PCR) or sequencing. Culturing involves growing bacteria on specific media, while microscopy allows you to visualize bacteria under a microscope. Molecular methods can detect bacterial DNA in the sample, providing a more accurate and sensitive detection method.
Acid fast sputum?
Acid-fast sputum refers to a sample of sputum that is stained using a special acid-fast stain to detect acid-fast bacteria, such as Mycobacterium tuberculosis. This staining technique helps in diagnosing diseases like tuberculosis by identifying the presence of these specific bacteria in the sputum sample.
Are bacteria rod shaped?
The natural water sample contains at least two types of bacteria. Bacilli Bacteria are the rod-shaped bacteria.
