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the most useful branch in biology is bacteriology, because bacteriology is the study about bacteria an that everyday we encounter . . . .jdizon :)
scanning
Your light intensity knob which is either on the right, or left of the base of the microscope. When you increase your magnification via the objective, increase your substage iris diaphragm. ie) 10x objective ~ 0.2, 40x ~ 0.4
scanning acoustic microscope
microscope.
In microbiology, the most commonly used objective on a microscope is 100x. This is because this is the closest yet detailed magnification where you can see a specimen. Higher magnifications lead to a closer look but less detail.
The most satisfactory way to study bacterial morphology 40x objective.
You can use a low power microscope for looking at large insects. Most low power microscopes are called "Stereo" or "Dissecting" microscopes and have two eyepieces and a separate objective lens for each eyepiece lens.
The scanning power objective relates to the objective lens. Most microscopes provide two or more objective lenses to give a choice of magnification power. Some also include an oil immersion lens for even greater magnification.
disecting microscope
dissecting microscope
The microscope because you're working with small bacteria that is too small to see with the naked eye