Comprehensive Portage Learning BIOD 171 Module 3 Exam resource with authentic questions from the actual test bank, covering over 93% of the exam content. Save time and money with this reliable study guide, tailored for thorough preparation. Ideal for students aiming to excel, complete the course ef...
Question 1
pts
True or False: A nanometer (10-9) is longer than a micrometer (10-6).
False (A nanometer is 1,000 times smaller than a micrometer.)
A nanometer is defined as:
A. 10-3
B. 10-6
C. 10-9
D. 10 -12
Question 2
pts
Resolution and contrast are two critical factors that influence your ability to see an object. Explain each.
Your Answer:
Contrast is when the difference in the absorbance of light is conferred between two objects. If contrast is
limited, it is hard to visualize multiple objects within the background. Alternatively, when referencing
resolution, the distance between two objects and how they're seen as separate entities is studied. Low
resolution occurs when multiple objects appear as one instead of separate entities.
Question 3
pts
Assuming a fixed ocular, identify the part of the microscope you would adjust to enhance the magnification of
a sample.
A. Objective
B. Condenser
C. Iris Diaphragm
D. Eye piece
Assuming a constant (non-adjustable) light source power, identify the part of the microscope you would adjust
to limit the amount of light entering the microscope.
A. Objective
B. Condenser
C. Iris Diaphragm
D. Eye piece
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