BIOL 286 Exam I September (all answers are correct)

BIOL 286 Exam I 2017Name:____________________________________________________ Personal Information on the answer sheet --Enter your name in the boxes, fill in the corresponding circles --Sign your name at the top Test answers on the answer sheet, fill in the BEST possible answer. 01. What type of RNA specifies the amino acid sequence of a particular protein? a. miRNA b. tRNA c. mRNA d. rRNA e. Both c and d are correct answers. 02. A nucleic acid is a. a polymer of nucleotides. b. hydrophobic. c. linked to an amino acid via a peptide bond. d. a form of energy storage in the cell. e. linked to other nucleic acids by covalent bonds between bases. 03. If the first exon of a primary transcript encoding a nuclear protein (that is not normally alternatively splice) is incorrectly removed, what will become of that PROTEIN? a. It will not be synthesized. b. It will never leave the nucleus. c. It will be fully synthesized in the cytosol and never enter the nucleus. d. It will immediately be degraded in the lysosome. e. Both a and b are correct answers. 04. The assembly of the large and small ribosomal subunits each with their associated rRNA a. occurs on the surface of the endoplasmic reticulum. b. occurs in the nucleus. c. occurs in the cytosol, not in association with the endoplasmic reticulum. d. does not occur until the small subunit binds to the mRNA in the nucleus. e. does not occur until the small subunit binds to the mRNA in the cytoplasm. 05. As described in class, during transcription of a certain gene, the RNA polymerase will transcribe a. both strands, but only one RNA molecule will be used. b. only one of the DNA strands, moving in a 3’ to 5’ direction along the template. c. both strands, but moving 3’ to 5’ for one and 5’ to 3’ along the other. d. only the exons of the gene while skip