Which of these is NOT a function of methylation?
a. tissue-specific gene expression c. imprinting genes
b. immobilization of mammalian transposons d. Y-chromosome inactivation
D
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An IGU is _______.
A) a sealed assembly of two glass sheets with an intervening space and a spacer. B) an assembly of two glass sheets with an intervening space. C) a sealed assembly of two glass sheets with an intervening space. D) an assembly of two glass sheets. E) none of the above.
____________________ is the arc time in hours divided by the total hours worked.
Fill in the blank(s) with the appropriate word(s).
Why are the stubs on compressors and filter driers more difficult to braze than copper pipe?
A) It is easy to burn a hole in the compressor or drier shell. B) They have a thin copper coating that is easily oxidized by overheating. C) They are difficult to get to. D) They are typically made of aluminum, which is much harder to braze.
When does the PCM perform a self-test of the ETC system?
A) During deceleration B) During acceleration C) When the ignition switch is first rotated to the on position, before the engine starts D) During cruise speed when the throttle is steady