BIOD 171 Portage Learning/Module 3 Exam
Questions and Answers
Bio17-module3-
exam.docs.compatibality mode
1. A nanometer is defined as:
A. 10-3
B. 10-6
C.10-9
D. 10
-12
C. A nanometer is defined as one-billionth of a meter.
2. True or False: A nanometeris longer than a micrometer. False. A
nanometer is 1,000 times smaller than a micrometer.
1. Resolution and contrast are two critical factors that influence
your ability to see an object. Explain each. Resolution refers to the
distance between two objects at which the objects still can be seen as
separate. Poor or low resolution means two (or more) objects may
appear as one.
*Contrast is the difference in light absorbance between two objects.
Poor contrast gives a high background and makes the visualization of
multiple objects difficult. For instance, trying to identify 2 dark colored
objects at night (low light = low contrast) versus the same 2 objects in
BIOD 171 Portage Learning/Module 3 Exam Questions and
Answers
