Short pieces of RNA called micro RNAs play a role in cellular differentiation  acting in synchrony with protein transcription factors together the microRNAs protein transcription factors- A) prevent proteins that regulate gene expression within the cell from affecting the cell
B) destroy proteins that regulate gene expression within the cell
C) produce proteins that regulate gene expression within the cell
D) capture proteins outside the cell to regulate gene expression within the cell

a client has been prescribed misoprostol for the treatment of peptic ulcer disease. what is a true contraindication for this medication

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

Which coal field location is related to coal fields in the eastern united states and supports the theory of continental drift? eastern india southern africa western australia northern south america