NURSING ANM AND GNM

NURSING EXAM QUESTIONS

MICROBIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Microorganisms are measured in ____
A
Micron
B
mm
C
Meter
D
cm
Explanation: 

Detailed explanation-1: -Microorganisms are measured in micrometre (symbol is m), often known as micron, a unit of length in the metric system equal to 0.001 mm, or around 0.000039 inches. In addition to size, many other characteristics of microorganisms can be measured, such as genomic growth and size rates.

Detailed explanation-2: -Most bacteria are 0.2m (micron) in diameter and 2−8m (micron) in length. Bacterial cells are about one-tenth the size of eukaryotic cells.

Detailed explanation-3: -Bacteria vary in their cell size, depending on the nature of bacterial cells. Cocci are approx. 0.5 to 1 m in diameter. The vast majority of rod-shaped bacteria cultured in the laboratory are between 0.5 to 4 m wide and less than 15 m long.

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