Mineralization refers to ________.
A. the incorporation of inorganic material into organic materials
B. the utilization of minerals as energy sources
C. the breakdown of organic materials to inorganic materials
D. the release of various minerals from ores
Answer: C
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Match the type of microscopy with the appropriate characteristic.
A) uses a laser to view a single plane of a specimen B) detects electrons passing through a specimen C) light passes directly through specimen D) detects electrons deflected from the surface of the specimen E) shows specific molecules F) amplifies variations in density 1) Brightfield 2) Fluorescence 3) Phase-contrast 4) Confocal 5) Transmission electron microscopy 6) Scanning electron microscopy
An interesting feeding behavior of the Wilson's storm petrel is
a. plunging to great depths into the ocean in search of food. b. using their feet to paddle just below the water's surface so they appear to be walking on the surface. c. catching a clam and then dropping it over rocks to break it up. d. stealing eggs from nesting birds while the parents are sitting on the eggs. e. skimming over the water surface with its beak partially immersed.
In Figure 3-2, ionic bonds would form between the R groups of which amino acids?
a. 1 and 3 b. 2 and 4 c. 3 and 5 d. 4 and 6 e. 3 and 6
A dark-field microscope differs from a bright-field microscope in that a dark-field microscope
A. illuminates a specimen with UV rather than visible light. B. converts the phase differences between light that does and light that does not pass through a specimen into differences in brightness. C. measures the infrared emission of light from a specimen. D. illuminates only the part of the specimen that is in focus, eliminating scattering of extraneous light from above and below the focal plane. E. None of these answers are correct