Multiple Choice
To determine whether bacterial cells are motile, they can be observed microscopically in a:
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9. Microscopes
Introduction to Microscopes
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The objective lenses of the compound light microscope are attached to the:
A
ocular lens
B
stage
C
revolving nosepiece
D
condenser
Verified step by step guidance1
Understand the structure of a compound light microscope, which typically includes the ocular lens (eyepiece), objective lenses, stage, condenser, and revolving nosepiece.
Recall that the objective lenses are the lenses closest to the specimen and are responsible for primary magnification.
Identify the component that holds multiple objective lenses and allows the user to rotate and select different magnifications.
Recognize that this component is called the revolving nosepiece, which is a rotating turret that holds the objective lenses.
Confirm that the revolving nosepiece is the correct answer because it attaches and allows switching between the objective lenses.
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