Which of the following antibiotics bind the peptidyltransferase center of the bacterial ribosome? Choose all that are correct O chloramphenicol Oerythromycin Oamikacin Oazithromycin D ritampin O tetracycline O linezolid

Q: Which of the following is the most important structure related to microbial attachment to cells?…

A: Flagellum is microscopic hair-like structures involved in the locomotion of a cell. The flagella…

Q: Four nucleated cysts are seen in? a. Balantidium coli. b. Giardia lamblia c. Entamoeba histolytica…

A: Some organisms produce cyst that is a specialised structure, produced for escaping the adverse…

Q: Which of the follwoing antibiotics inhibit the synthesis of oligosaccharides? O Ofloxacin O…

A: Oligosaccaride are the carbohydrate polymers which comprises three to ten monosaccarides. They have…

Q: Regarding the Characteristics of a bacterial Capsule

A: Capsule is an envelope in some bacteria secreted as an extracellular structure (both gram positive…

Q: Which of the following would most likely be used to lyse bacterial cells so that their nucleic acids…

A: Recombinant DNA technology involves several steps in specific sequence such as isolation of DNA,…

Q: Lysozyme is a      Lipid     Nucleotide     Carbohydrate     Protein

A: ANSWER;- Lysozyme is a Protein Explain;- Lysozyme, a 14 kDa cationic protein, is one of the primary…

Q: You come across a gram positive bacterium with the following nucleotides: ATTCGATCGGTATAT. This…

A: Nucleotides are the monomeric units that make up the nucleic acids like DNA (deoxyribonucleic acid)…

Q: Name the site where detoxificatior of xenobiotic compounds takes place? Cytosol O SER O RER O Golgi

A: Xenobiotics are those chemical substances that are foreign to animal life and thus includes examples…

Q: Make an experimental procedure for the synthesis of ascorbic acid from glucose:

A: Ascorbic acid is prepared in industry from glucose by a method called  Reichstein process. In the…

Q: What is the role of sulfur in the metabolism of sulfur-oxidizing bacteria?

A:

Q: It should not be present in spirochete a) cytochrome c b)glucokinase c) elongation factor d) primase

A: Spirochaete is a member of unique double-membrane bacteria, mostly which are long, helically coiled,…

Q: Beta-lactam antibiotics are O irreversible competitive inhibitors of bacterial transpeptidases O…

A: BETA LACTAM ANTIBIOTICS These antibiotics contain beta-lactam ring in their chemical structure.…

Q: Which drug among the following inhibits bacterial protein synthesis by attaching to the bacterial…

A: Tetracyclines,  prevent the binding of aminoacyl-tRNA by blocking the A (aminoacyl) site of the 30S…

Q: Lysozyme does which of the following?a) Disrupts cell membranesb) Hydrolyzes peptidoglycanc)…

A: Lysozyme, otherwise called muramidase or N-acetylmuramide glycanhydrolase, is an antimicrobial…

Q: Eubacterial ribosomes can be inactivated by all of the following antibiotics except:…

A: Microorganisms are small organism that cannot be seen by naked eyes. They include bacteria, fungi,…

Q: Which one of the following vitamins is known as the anti sterile factor ? A) Ascorbic acid B)…

A: Answer is A.) Ascorbic acid.

Q: Select one: O a. tenia coli O b. villi

A: INTRODUCTION vermiform appendix It is a hollow tube like muscular vestigial organ attached to large…

Q: The original Penicillin drug causes bacterial osmotic lysis due to the breakdown of the cell wall in…

A: An antibiotic is a type of antimicrobial substance active against bacteria. They either kill(…

Q: The primary mechanism of antibacterial action of the penicillin involves inhibition of…

A: Penicillin is a generally utilised antibiotic recommended to treat staphylococci & streptococci…

Q: A. AG for the two reactions is different B. Trypsin is a protein, and elastase is not D. One of the…

A: DNA: DNA is an organic molecule that includes genetic information as well as instructions for…

Q: Because penicillin prevents peptidoglycan synthesis, it is more effective on cells Select one: O a.…

A: Penicillin inhibits the repair of the peptidoglycan layer, thus, degrading biological compounds and…

Q: You are using the bacterium E. coli to synthesize a protein from recombinant DNA. The protein…

A: Microorganisms incorporate every single unicellular living being as are very assorted. Of the three…

Q: Gram negative bacteria lose crystal violet colour after alcohol treatment because of: Select one: a.…

A: Gram staining is a technique used to differentiate two large groups of bacteria based on their…

Q: Compound in čéll wll öf bacteria .27 All O Gram O Peptidoglycan Penicillin O

A: A plant cell's cell wall is the protective, semi-permeable outer layer. The cell wall's primary role…

Q: How many nucleoids are in this bacterial cell?

A: Prokaryotes are the primitive organisms that were the first to develop and harness life on Earth.…

Q: Only Members of Domain Bacteria can make N-acetylmuramic acid thus only Bacteria cal make_ Or RNA O…

A: Cell wall is found encapsulating the cell membrane in fungi, plants, bacteria and archaea. The cell…

Q: What is the effect of the absence of the leaving group (acetomethoxy) at the position 3 and…

A: The presence of a leaving group at the 3'-position of a beta lactam antibiotic can lead to the…

Q: For any antibiotic compounds that don’t appear to inhibit translation of proteins from the ribosome,…

A: Antibiotics that target translation interfere with the ribosome's assembly or processing.

Q: 7. A proteolytic enzyme has the following action: 1. It cleaves complex sugars into simple sugars.…

A: Proteolytic enzymes are also known as proteases , peptidase or proteinases . In the human body ,they…

Q: These structures allow bacteria to have reserve deposits of lipids or gasses. O a) inclusions Ob)…

A: Bacteria are small single-celled organisms. Bacteria are found almost everywhere and some e species…

Q: eta-lactam antibiotics are irreversible competitive inhibitors of bacterial ribosomes irreversible…

A: Beta-lactam antibiotics are antibiotics that contain a beta-lactam ring in their molecular…

Q: Beta lactam antibiotics disrupt peptidoglycan synthesis by binding to the bacterial enzyme necessary…

A: Introduction: The antibiotics that contain a β-lactam ring in their atomic design are alluded to as…

Q: Match each antibacterial drug with its primary target. Chloramphenico✓ Choose... Nucleic acid…

A: Sol: Antibacterial drug is chemical substances which are obtained from biological source or produced…

Q: antibiotic

A: Antibiotics, also known as antibacterials, are medications that destroy or slow down the growth of…

Q: What cellular structure protects bacteria from drying out? Peptidoglycan Glycocalyx Fimbriae…

A: Bacteria are single celled microorganisms, Which can't alive in a dry surface with a humidity or…

Q: Why are most Gram-negative bacteria resistant to penicillin? endopsores made by Gram-negative…

A: The structure of the cell wall varies according to cell type, so penicillin does not affect other…

Q: let's say you are poking a needle thru a bacteria. which structure (a-f below) would the needle come…

A: Bacteria are prokaryotic cells characterised by the absence of nucleus and and membrane bound…

Q: Carbapenems are and can be destroyed by O broad spectrum antibiotics similar to tetracycline;…

A: Carbapenems :- Are a class of highly effective antibiotics agents  commonly used for the treatment…

Q: You obtain an E coli mutant with a defect in the pathway that emakes histidine, an amino acid. Tell…

A: Microorganisms such as bacteria are usually cultured in artificial media that contains nutrients…

Q: Why do antibiotics that target bacterial ribosomesnot make humans sick?

A: The medicines that stop the various harmful infections made or caused by bacteria are called…

Q: Bacteria can best be described as O unicellular, prokaryotic, autotrophic or heterotrophic organisms…

A: The diverse kind of organisms are found on earth. They are classified by R. H. Whittaker in five…

Q: Define the following terms:a. proenzymeb. positive cooperativityc. negative cooperativityd.…

A: Enzymes are biocatalysts that increase the rate of a reaction without actually getting used up in…

Q: This bacterial component is found in the outer leaflet of the outer membrane of gram-negative…

A: Gram-negative bacteria are known to be involved in the etiology of severe sepsis and septic shock on…

Q: Which of the following is typically found in aquatic bacteria, especially among phototrophic types,…

A: Phototrophic bacteria: Phototrophic bacteria obtain energy for their development and survival from…

Q: Penicillin does not directly kill bacteria. Why do cells usually die in the presence of penicillin?

A: Introduction  An antibiotic is a drug that stops microorganism growth and kills it. They fight…

Q: Which enzyme catalyzes formation of "peptide crosslinks" in peptidolgycan? O peptiodotransglycase O…

A: Enzymes are biological catalysts that help in catalyzing or speeding up biological reactions by…

Q: Which of the following blocks cell wall synthesis? O ciprofloxacin erythromycin rifampin mebendazole…

A: Cell wall is the outermost layer of the microbes. The cell wall inhibitors are the class of drugs…

Q: How is the ribosome a target in terms of antibiotic action mechanisms

A: Ribosomes are major target for antibiotic action and can be mediated by the following:-…

Q: destroys tissue structure particularly transmel proteins. T bacteria are grown in culture so that…

A: Proteases are the most useful and powerful enzymes as they have ability to break down complex…

Q: Some antibiotics target peptidoglycan synthesis. What is amolecular growth target of an antibiotic…

A: Introduction Microorganisms are widely distributed and can be found in almost all kind of…