Georgia Military College BIO 123  Regulation of Gene Activity Quiz Grade 8.67 out of 10.00 (87%)

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Home / My courses / 19WNCMP BIO-123-20103 / Week 7 / Regulation of Gene Activity Quiz Started on Saturday, March 2, 2019, 5N16 AM State Finished Completed on Saturday, March 2, 2019, 5N37 AM Time ... taken 21 mins 6 secs Marks 13.00/15.00 Grade 8.67 out of 10.00 (87%) Question 1 Correct Mark 1.00 out of 1.00 Question 2 Correct Mark 1.00 out of 1.00 What does "A" represent in the figure of chromatin structure? Select one: a. a nucleosome b. compacted chromosome ! c. histones d. DNA helix e. coiled nucleosomes Which are cancer-causing genes in mice and humans? Select one: http://gmc.mrooms3.net/mod/quiz/review.php?attempt=2134189&cmid=3004827 3/11/19, 4D32 PM Page 1 of 8 Question 3 Correct Mark 1.00 out of 1.00 Question 4 Correct Mark 1.00 out of 1.00 Question 5 Select one: a. totipotent genes b. proto-oncogenes c. oncogenes ! d. inducible genes e. tumor suppressor genes What are the genes involved in pattern formation and organization of body parts? Select one: a. Regulatory regions of structural genes b. Master developmental regulatory genes ! c. Heterochromatin regulatory genes d. Developmental enhancer genes e. Nucleosome regulatory genes Which of the following is a factor of the operon model? Select one: a. a transposon b. a microfilament c. a Barr body d. a DNA synthase e. an operon ! http://gmc.mrooms3.net/mod/quiz/review.php?attempt=2134189&cmid=3004827 3/11/19, 4D32 PM Page 2 of 8 Question 5 Correct Mark 1.00 out of 1.00 Question 6 Correct Mark 1.00 out of 1.00 Question 7 Correct Mark 1.00 out of 1.00 What molecules join with an enzyme to form a RNA-induced silencing complex? Select one: a. Hox mRNA b. pre-mRNA c. enhancer RNA d. small interfering RNA ! e. mature mRNA Which of the following genes is located outside the operon and codes for a repressor protein that can deactivate the operon? Select one: a. structural gene b. promoter gene c. regulatory gene ! d. homeotic gene e. operator gene The hypothalamus and thyroid gland have cells that comprise the same calcitonin gene, but the calcitonin proteins made in the two tissues are different. What causes the disparity in the protein forms? Select one: a. pre-mRNA alternative splicing ! b. DNA activation c. mRNA activation http://gmc.mrooms3.net/mod/quiz/review.php?attempt=2134189&cmid=3004827 3/11/19, 4D32 PM Page 3 of 8 Question 8 Incorrect Mark 0.00 out of 1.00 Question 9 Correct Mark 1.00 out of 1.00 c. mRNA activation d. post-mRNA processing e. small RNAs regulation If a scientist is studying the formation of new blood vessels within a tumor, he or she would be studying the process of Select one: a. morphogenesis b. blood vessel promotion " c. carcinogenesis d. apoptosis e. angiogenesis What does "B" represent in the figure of chromatin structure? Select one: a. a nucleosome ! b. looped chromatin c. histones d. compacted chromosome e. DNA helix http://gmc.mrooms3.net/mod/quiz/review.php?attempt=2134189&cmid=3004827 3/11/19, 4D32 PM Page 4 of 8 Question 10 Correct Mark 1.00 out of 1.00 Question 11 Correct Mark 1.00 out of 1.00 Question 12 Incorrect Mark 0.00 out of 1.00 e. DNA helix The condensed portions of chromatin that appear as dark areas in a transmission electron micrograph is _(blank) _. Select one: a. histone b. DNA helix c. heterochromatin ! d. nucleosome e. euchromatin What type of regulation of gene expression occurs when the polypeptide chain of insulin is too long and must have a part cleaved off? Select one: a. post-translational control ! b. chromatin regulation c. post-transcriptional control d. transcriptional control e. translational control http://gmc.mrooms3.net/mod/quiz/review.php?attempt=2134189&cmid=3004827 3/11/19, 4D32 PM Page 5 of 8 Question 13 Correct Mark 1.00 out of 1.00 This figure shows the levels at which control of gene expression occurs in eukaryotic cells. What does "B" represent? Select one: a. posttranscriptional control b. transcriptional control c. posttranslational control d. translational control " e. chromatin structure http://gmc.mrooms3.net/mod/quiz/review.php?attempt=2134189&cmid=3004827 3/11/19, 4D32 PM Page 6 of 8 Question 14 Correct Mark 1.00 out of 1.00 Question 15 Correct Mark 1.00 out of 1.00 What does "C" represent in the figure of chromatin structure? Select one: a. DNA helix b. a nucleosome c. compacted chromosome d. coiled nucleosomes e. histones ! _(blank) _ is the loosely condensed chromatin where genes are expressed. Select one: a. nucleosomes b. euchromatin ! c. chromosome d. heterochromatin e. histones A developmental change that would have been caused by genes other than Hox genes is _(blank) _. Select one: a. extra toes in foxes b. extra fingers are fused together in humans http://gmc.mrooms3.net/mod/quiz/review.php?attempt=2134189&cmid=3004827 3/11/19, 4D32 PM Page 7 of 8 c. missing eyes in squid ! d. short arms that are missing bones in mice e. two pairs of wings in fruit flies [Show More]

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