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Biology 1406 Final Paper 2026 Exam Q&A Study Guide Complete Solutions

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BIOLOGY 1406 FINAL PAPER 2026 EXAM Q&A STUDY GUIDE COMPLETE SOLUTIONS

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BIOLOGY 1406 FINAL PAPER 2026 EXAM Q&A
STUDY GUIDE COMPLETE SOLUTIONS



◉ Transmission Electron Microscope (TEM). Answer: - used to observe
thin sections of the material
- increases magnification by passing a beam of electrons


◉ Scanning Electron Microscope (SEM). Answer: used to observe small
organisms
- uses a beam of electrons to bounce the electrons off specimen to
produce an image (3D)


◉ working distance. Answer: distance between objective lens and
specimen


◉ total magnification formula. Answer: objective lens ( 4,10,40) x
ocular lens (10)


◉ stage. Answer: Supports the slide being viewed

, ◉ objective lens. Answer: a series of lenses that house the second lens
system: scanning(4x), low-power (10x), high-power (40x), and oil
immerison 100x)


◉ ocular lens (eyepiece). Answer: lens that you look through


◉ coarse adjustment knob. Answer: Moves the stage up and down for
focusing (larger knob)


◉ fine adjustment knob. Answer: Moves the stage slightly to sharpen the
image (smaller knob)


◉ Diaphragm. Answer: Regulates the amount of light on the specimen
(under the stage)


◉ revolving nosepiece. Answer: Holds and turns the objectives into
viewing position


◉ Condenser. Answer: focuses light through the specimen


◉ stage clips. Answer: Holds the slide in place

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