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BIOL 150 Principles of Biology 1 Exam 2 Complete & Comprehensive (not inc. ch7))
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How does a scanning electron microscope work?
How does a scanning electron microscope work?
The electron beam scans the surface of the specimen which is usually coated in a thin film of gold. The beam executes electrons on the surface which are detected by a device that identifies patterns and creates a 3D image on a computer
How do SEM & TEM focus the image?
How do SEM & TEM focus the image?
Using electromagnets for lenses which bend the paths of electrons
Which organisms are part of the domain Eukarya?
Which organisms are part of the domain Eukarya?
1. Protists
2. Fungi
3. Animals
4. Plants
What is the basic structure of membranes?
What is the basic structure of membranes?
phospholipid bilayer with other lipids with diverse proteins embedded in it. The composition of the lipids and proteins changes according to the function of that specific membrane.
cilia and flagella
cilia and flagella
hairlike structures that extend from the surface of the cell, where they assist in movement
gap junctions
gap junctions
(communicating junctions) provide cytoplasmic channels between adjacent cells
T
T
Absolute temperature in K (Kelvin is Celsius + 273)
facultative anaerobes
facultative anaerobes
An organism that makes ATP by aerobic respiration if oxygen is present but that switches to anaerobic respiration or fermentation if oxygen is not present.
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