Humans can contaminate milk samples by opening them and letting dust and other particles in. If a human touches the milk with their fingers then it will also be contaminated as fingers house a wide range of bacteria.
It is very common for a person who is menstruating to contaminate a urine sample. Of course, contaminated urine samples are very common in general.
No, pantry moths do not bite humans. They are not harmful to people, but they can infest and contaminate food in the pantry.
Breast milk is best as it is untouched by flies and germs which contaminate the milk. Breast milk also contains antibodies that help in protecting the body from various diseases(this is mainly in small children)
Yes, tobacco smoke can potentially contaminate a DNA swab by introducing foreign DNA that may interfere with the analysis. It is recommended to collect DNA samples in a smoke-free environment to prevent contamination.
No. Female humans do not have the capacity to produce that much milk. Humans are not cows.
Humans primarily drink cow's milk, but they also consume milk from other animals such as goats, sheep, and buffalo.
One other variable that must be kept the same for each milk sample is the temperature at which the milk samples are stored. Consistent storage temperature helps ensure that any changes in the milk samples are due to the experimental conditions and not external factors like temperature fluctuations.
Bread, milk, wine.
If the milk is not allowed to contaminate the fishes gills and kill it, a little milk touching the fishes scales or fins should do no harm at all. One wonders however what circumstances could bring about this situation.
Nuclear wastes can contaminate soils, waters, atmosphere and consequently organisms and foods.
Cockroaches can spread diseases, trigger allergies, and contaminate food, posing health risks to humans.
no