In vascular plants, phloem is the living tissue that transports the soluble organic compound made during photosynthesis in the form of sugar, The phloem tissue is made up of cells called phloem elements. Which of the following given phloem elements are directly involved in translocation?

#Question id: 4020

#Unit 3. Fundamental Processes

You are studying the expression of the gene that appears to be under the control of three different transcription-control regions during mouse embryonic development. Which one of the following is the BEST method to use to determine when each of these regions are active in the developing mouse embryo?

#Question id: 4021

#Unit 3. Fundamental Processes

Reporter genes employ fragments of DNA encoding proteins that when translated do not have any obvious effects in the cells and tissues. Which one of the following is NOT a reporter protein?

#Question id: 4022

#Unit 3. Fundamental Processes

You are studying the effects of α-amanitin, a poisonous cyclic octapeptide, on eukaryotic cells and have noticed that following treatment, there is no miRNA transcription. Based on this evidence you conclude that α-amanitin must be inhibiting:

#Question id: 4023

#Unit 3. Fundamental Processes

Which of the following is a fundamental difference between gene regulation in bacteria compared with eukaryotes?

#Question id: 4024

#Unit 3. Fundamental Processes

All of the following statements about the essential carboxy terminal domain (CTD) of RNA polymerase are true except:

#Question id: 4025

#Unit 3. Fundamental Processes

You have identified a transcription factor and hypothesize that it binds to the promoter region of a gene that encodes a protein that causes cells to stop dividing. In order to test the interaction between the transcription factor and the DNA you will need to do a specific assay. Which one of the following would you use to test your hypothesis?