FGP Mid Semester Test Exam Questions with Complete Correct Answers | Grade A

1. Which of these technologies is NOT used to determine the NOTEL (No Observed Transcriptional Effect Level)? a) Protein microarray b) qPCR (RT-PCR) c) SAGE d) cDNA microarray Ans: a) Protein microarray 2. You want a bioindicator to detect the presence of heavy metals in, and around a creek. You would naturally chose: a) a fish b) Daphnia c) a water plant d) It doesn't really matter, because all of the species above may indicate the presence of heavy metals through specific patterns of gene expression. Ans: d) It doesn't really matter, because all of the species above may indicate the presence of heavy metals through specific patterns of gene expression. 3. A factory leaked out a small amount of toxic cadmium into a nearby creek overnight, and as an EPA employee you were there to investigate straight after morning coffee. You sampled some fish from the creek, and performed a gene expression analysis of mRNA you extracted from their livers. The genes which were upregulated were most likely to be: a) Those which are expressed during the restitution phase. b) Those which are expressed during the resistance phase. c) Those which are expressed during the exhaustion phase. d) Those which are expressed during the alarm phase. Ans: d) Those which are expressed during the alarm phase. 4. A significant overexpression of Choriogenin and Vitellogenin genes in fish may be indicative of: a) Mercury pollution b) Endocrine disrupter pollution c) Salt pollution d) Cadmium pollution Ans: b) Endocrine disrupter pollutio