#Question id: 11104
#Unit 7. System Physiology – Animal
The serous membrane covering the surface of the lungs is called the:
#Question id: 2666
#Unit 2. Cellular Organization
A cell does not want to waste energy synthesizing the amino acid arginine if arginine is present in its diet. Therefore, when arginine is present, it activates a repressor protein to prevent transcription of genes that code for enzyme to make arginine. This is an example of what type of regulation?
#Question id: 2901
#Unit 2. Cellular Organization
HOTAIR is a lncRNA whose gene is found in the HoxC cluster in humans, but it acts by regulating expression of the HoxD genes on another chromosome (in trans) by recruiting to that locus Polycomb Repressive Complex 2 (PCR2). Which of the following processes is incorrect regarding this regulation?
#Question id: 12937
#Unit 13. Methods in Biology
#Question id: 32225
#Unit 2. Cellular Organization