6. Aminoacyl-tRNA synthetases catalyses _____ 1. DNA replication2. transcriptional termination 3. the attachment of amino acids tothe tRNA molecules. 4. the binding of mRNA to the 30S subunit. 5.the removal of the polypeptide from tRNA in the P site andtransferal to the amino acid at the A site 7. If the strand“5'-TACGCCT-3'†is a template strand, what would the mRNA strandlook like? 1. 5'-AGGCGUA-3' 2. 3'-AUGCGGA-5' 3. 3'-ATGCGGA-5' 4.5'-AGGCGTA-3' 5. 5'-UGGCGTU-3' 8. A repressor is a______. 1.regulatory protein that increases the rate of transcription 2.regulatory protein that binds to DNA and inhibits transcription 3.form of positive control. 4. small effector molecule that causestranscription to increase 5. enzyme that converts lactose toallolactose 9. Complete the following statement: When there islactose in the medium and no glucose, the cAMP concentration is_____. 1. low 2. medium 3. high 4. inhibited by negative feedback5. negatively regulated 10. Antisense RNA________ 1. carries acodon during translation 2. is a strand of RNA, complementary to aspecific mRNA strand. 3. cleaves RNA into fragments 4. functions inthe translation of proteins 5. are sequences that increase geneexpression
