The 20th century as of now
The correct answer is true.
Negative staining is often used in diagnostic microscopy and it is the opposite of positive staining where the specimen is stained and background not.
Negative staining is used for the bacteria that are difficult to stain such as Spirilla. It is also used for the study of the morphological shape, size and arrangement of the cells that are too delicate to be heat-fixed.
It Is The Melanoma Gene .
Answer: The scientific method is certain steps that you take to end up with your answer or more of a claim or theory.
Explanation:
Need the descriptions in order to answer the question.