Sorry it's a private question.

Question
microbiology lab have loop design, so i want to ask about this design why its take shape of hollow loop, and there is inoculation needle or stabbing subcultre and take small colony, but why we used loop? I heard before ...

Question
A 39-year-old woman has pulmonary lesions caused by a primary mycobacterial infection. which of the following cells are predominant in the host response? a. basophils b. Eosinophils c. Neutrophils d. Macrophages e. Natural killer cells