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Translation Quiz Supplemental Instruction Iowa State University Leader: Course: Instructor: Date: Lilli Howard BIOL/GEN 313 Dr. Rodermel/Dr. Tuggle 10/28/14 1. Which of the following processes does NOT take place during translation? a. Growth of a polypeptide chain b. Attachment of a ribosome to mRNA. c. Binding of two tRNA molecules per ribosome d. Liberation of polypeptide from the ribosome e. Production of tRNA. 2. For translation to take place, which of the following would NOT be required to be present? a. DNA b. mRNA c. tRNA d. rRNA e. ribosome 3. Which is NOT true about the genetic code? a. Most amino acids have only one codon. b. It is composed of a triplet code of three bases per codon. c. It produces 64 different possibilities of base sequences. d. It was cracked through the use of a cell-free system of enzymes. e. It contains start and stop codons as instructions. 4. Put the following in the correct order. a. Binding of mRNA with the 30S subunit b. Recognition of the initiation codon c. Complementary base pairing between initiator codon and anticodon d. Base pairing of the mRNA codon with its complementary tRNA e. Attachment of the large ribosomal subunit 5. The following is the non-template strand of a double stranded DNA. Write out the template strand. Transcribe and translate the template strand. Your final answer should be a polypeptide. 3’-ATGATGGCAGCCATGTAGCC-5’ Note the change in sequence Final answer: Met- Tyr- Arg- Arg 6. A particular gene does NOT constantly churn out the same protein at all times in every cell. This is true for two reasons. First, alternative pre-mRNA processing can allow one gene to produce several different proteins. Second, genes are constantly being turned on and off through the process of gene regulation. 1060 Hixson-Lied Student Success Center 515-294-6624 [email protected] http://www.si.iastate.edu