One of her colleagues suggested she try increased methylation of C nucleotides in the DNA of promoters of a mammalian system. Which of the following results would she most likely see?
A) decreased chromatin condensation
B) activation of histone tails for enzymatic function
C) higher levels of transcription of certain genes
D) inactivation of the selected genes
D
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Which of these activities correlates with a reduced risk of Alzheimer’s disease?
a. electroconvulsive therapy b. smoking cigarettes c. playing a musical instrument d. taking vitamin supplements
Transformation and transduction are methods used to introduce DNA into host cells.
Answer the following statement true (T) or false (F)
The pancreatic secretions governing glucose levels are precisely controlled by
a. neural connections to the pancreas. b. the blood-brain barrier. c. cooperative interactions. d. homeostatic feedback loops. e. releasing factors.
Aspergillus is a mold that causes an allergic reaction when its spores are inhaled
Indicate whether the statement is true or false