DNA methylation of a gene during spermatogenesis would be most likely to result in
A. the inactivation of the paternal allele in the offspring.
B. dosage compensation by the paternal allele.
C. the inactivation of the maternal allele in the offspring.
D. the inactivation of the X chromosome.
E. dosage compensation by the maternal allele.
A. the inactivation of the paternal allele in the offspring.
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Which of the following represents a sequence located upstream, downstream, within the coding region, or several thousand base pairs away from a gene that increases transcription?
a. promoter b. terminator c. repressor d. enhancer
The two sources of energy that are stored in muscle tissue are triglycerides and _____________.
Fill in the blank(s) with the appropriate word(s)
Which of the following statements concerning the biochemical oxygen demand (BOD) is CORRECT?
A) It is a measure of the amount of oxygen in water. B) It is proportional to how potable water is. C) It is used as a bioreceptor index. D) It is a measurement of the amount of oxygen that aerobic bacteria require to decompose organic wastes in water. E) It is a filter system to purify drinking water.
In the Gram stain procedure, iodine serves as a
A) counterstain. B) decolorizing agent. C) mordant. D) primary stain. E) fixative.