A chromosome’s gene sequence that was ABCDEFG
before modification and ABCDCDEFG afterward is
an example of
a. inversion.
b. deletion.
c. duplication.
d. translocation.
e. aneuploidy.
Answer: c
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The bonding of two amino acid molecules to form a larger molecule requires the _____
A) release of a water molecule B) release of a carbon dioxide molecule C) addition of a carbon dioxide molecule D) addition of a water molecule E) addition of a water molecule and a carbon dioxide molecule
Bacteriochlorophyll and chlorophyll contain ________ as a cofactor
A) iron (II) B) iron (III) C) magnesium D) manganese
Which organisms would most likely be present on the bottom or closest to the actual surface of a complex microbial biofilm?
A. Facultative chemoorganotrophs B. Anaerobic sulfate-reducing bacteria C. Eukaryotic protists D. Cyanobacteria
The different chipmunk species correspond to the different tree species along an elevational gradient. This is likely because
A) each chipmunk species depends on the specific tree species for habitat. B) lodgepole trees and lodgepole chipmunks prefer warmer temperatures. C) the fundamental niche of yellow-pine chipmunks is limited to middle elevation. D) several resource factors for both groups change with elevation.