Not washing your hands would is one most common ways to contaminate a culture.
no
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.
The way historical events connect a culture or a nation. Apex
A phrase used to describe an idea or way of doing things that is common in a certain culture is called a "cultural trait."
The way historical events connect a culture or a nation. Apex
The way historical events connect a culture or a nation. Apex
They have nothing in common.
Sputum from a healthy person would have no growth on culture. A mixture of microorganisms, however, normally found in a person's mouth and saliva often contaminate the culture. they may be reported as normal flora contamination.
Cultural trait or custom
place where people share a common way of life
Cultural trait or custom
Cultural trait or custom