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- Which of the following statements is incorrect? a. Ribozymes can link amino acids to form protein. b. Ribozymes can act as enzymes. c. Ribozymes can act as informational molecules. d. Ribozymes are suggested as the first molecules of life. e. Ribozymes are proteins.1. What are the function, structure (substrate, cofactor, apoenzyme etc.), and major tissue source/organ of new born screening enzyme.6. Which of the following is the most important structure related to microbial attachment? a)Flagellum b) Plasmid c) Peptidoglycan d) Glycocalix
- 2. The rising of nanotechnology paved way to discover new trends, one of which is the discovery of newly synthesized amino acid. Which of the following is a newly synthesized amino acid which was translated from the sequence of UAG? * A. Pyrrolysine B. Selenocysteine C. Threonine D. Proteoglycan#2 What are Beta-lactam antibiotics ?2 What Role Does the Amino Acid Sequence Play in ProteinStructure?
- 17) The peptidoglycan layers are anchored to the cell membrane by: a) tetrapeptide chain b) dipeptide molecule c) teichoic acid d) lipoteichoic acid e) c & d18) The peptidoglycan region in Gram +Ve bacteria is strengthened with ___ cross bridges of: a) Lipopolysaccahride b) Archaeol c) Hopanoids d) Polypeptides e) FtsZ19) The fluid or region present between the inner membrane and the outer membrane of some bacteria is called: a) periplasm b) ectoplasm c) circumplasm d) lophoplasm e) amphiplasm1. The enzyme activity that forms peptide bonds on the ribosome is called peptidyl transferase. Explain which molecule catalyzes this reaction?4. Penicillin does not directly kill bacteria. Why do cells usually die in the presence of penicillin? And, therefore, what cells from a given species would penicillin then target and what cells would penicillin not be able to target from that specific species? Think peptidoglycan, what would be more targeted then, gram + or gram – and why?