What is the relationship between mobile genetic elements and DNA methylation?
A) DNA methylation is considered to be a defense against the spread of mobile genetic elements because it prevents transcription.
B) DNA methylation is reduced in regions of the genome associated with mobile genetic elements because methylation only targets protein-coding genes.
C) DNA methylation prevents RNA interference and therefore allows mobile genetic elements to spread.
D) DNA methylation is a form of post-transcriptional silencing of mobile genetic elements.
D
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Why does the burning of fossil fuels cause an imbalance within the carbon cycle? What is the consequence of this imbalance? Include a diagram of the carbon cycle to illustrate your answer
What will be an ideal response?
If carbon has an atomic mass of 12 and an atomic number of 6 then it has
A. 6 electrons. B. 12 electrons. C. 18 electrons. D. as many as 6 but no more than 12. E. None of the choices are correct.
Inflammation is a nonspecific defensive reaction to a tissue injury.
Answer the following statement true (T) or false (F)
Damage to the integument may trigger action by cells of which system?
A. reproductive system B. immune system C. endocrine system D. muscular system