Download DNA Replication, Transcription, and Gene Regulation in Eukaryotic Cells and more Exams Nursing in PDF only on Docsity! 1 3’-CCGAATGGGCAT-5’ STRUCTURE OF DNA Question 2 (5 points) The nitrogenous base thymine is what type of base? Question 2 options: 5 -’CCGAATGGGCAT - 3' 3’-GGCTTACCCGTA-5’ 5’-GGCTTACCCGTA-3’ Save Week 5 Quiz BIOL101 UMUC DNA REPLICATION Question 1 (0 points) If a strand of DNA of sequence 5’-CCGAATGGGCAT-3’ is replicated, which of the following accurately represents the newly synthesized DNA strand? Question 1 options: © monoamine
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5 Helicase creates the replication fork; single-strand binding proteins keep the single strands from reuniting. TRANSCRIPTION Question 6 (5 points) Transcription is the transfer of genetic information from . Question 6 options: Save Helicase creates the replication fork; primase keeps the single strands from closing shut. Ligase creates the replication fork; DNA polymerase II keeps the single strands from reuniting. Helicase creates the replication fork; ligase keeps the single strands from closing shut. mRNA to DNA Question 5 (5 points) What proteins are crucial for creating and maintaining DNA replication forks? Choose the best explanation. Question 5 options: hydrogen 6 DNA to mRNA tRNA to mRNA mRNA to tRNA 7 DNA POLYMERASE Question 7 (5 points) Which enzyme is required during transcription? Question 7 options: RNA polymerase Save restriction enzymes DNA polymerase RNAase Save 10 Question 10 (5 points) 11 Lys, Ala, Glu Trp, Phe, Lys Lys, Phe, Trp Use the genetic code to determine which amino acids the following mRNA sequence code for: AAA GCG GAA Question 10 options: 12 Glu, Ala, Lys Question 11 (5 points) 15 RNA METABOLISM Question 13 (5 points) Where are the RNA components of a eukaryotic cell synthesized? Question 13 options: nucleus The error in the DNA sequence results in an error in the mRNA molecule during transcription, the error in the mRNA molecule results in an incorrect amino acid in the hemoglobin protein which makes it non-functional. The resulting trait is sickle cell disease Save cell membrane cytoplasm endoplasmic reticulum Save 16 GENE EXPRESSION Question 14 (5 points) Which of the following applies best to post-translational control? Question 14 options: regulation of gene expression after transcription 17 Question 15 (5 points) What is the role of Agrobacterium tumefaciens in the production of transgenic plants? Question 15 options: Agrobacterium tumefaciens is a bacteria that is used to move desired genes into the plant cells. control of epigenetic activation period between transcription and translation Save Tomatoes get increased shelf life when exposed to the beneficial bacteria Agrobacterium tumefaciens. Transgenic plants are all designed to be resistant to the disease causing bacteria Agrobacterium tumefaciens. Agrobacterium tumefaciens is a bacteria that produces Bt toxins that kill small mammals. regulation of gene expression after translation 20 An electrophoresis gel A plasmid Question 18 (5 points) Which of the options listed below can serve to carry a gene from one organism into a bacteria cell? Question 18 options: 21 Question 19 (5 points) Which of the following statements about the Flavr Savr tomato are correct? Select all that apply. Question 19 options: The Flavr Savr tomato was genetically engineered to slow down the rotting process for a longer shelf life. A restriction enzyme Polymerase chain reaction Save The Flavr Savr tomato was the first genetically modified crop to be approved for human consumption in the U. S. The Flavr Savr tomato has an inserted bacterial gene in its genome that provides herbicide resistance. The Flavr Savr tomato is no longer on the market. Save 22 Question 20 (5 points) What is one way that scientists use metagenomics? Question 20 options: Study evolutionary relationships Forensic analysis
