Straighter line microbiology final Questions with 100% Verified Answers

Questions with 100% Verified Answers A fat cell is called _______ if all the fatty acid chain are single bonded to 2 other carbons and 2 hydrogens. - Saturated. A metagenomic study from a never before seen type of gingival infection indicates the presence of large numbers of archaea. Which of the following would be a good practice to isolate this organism. - Use an anaerobic medium and incubate in a sealed container A microbiologist inoculates Staphylococcus aureus into a culture medium. Following incubation, both Staphylococcus aureus and Staphylococcus epidermidis are determined to be growing in this culture. What is the most likely explanation? - The culture was contaminated A mutation has occurred during DNA replication, while the cells was preparing to divide. As a result of this, the codon ACU of MRNA has now become a ACC. Interestingly , there is no change of protein being made. Why not - This is a silent mutation A nutrient medium that has all its chemical components identified and their precise, concentrations known and reproducible is termed - Defined A patient has a serious respiratory infection. A sputum sample is yielded a bacterium that did not have any peptidoglycan. You hypothesize that the identity is this microbe could possibly be - Mycoplasma pneumoniae Acyclovir is used to treat infections caused by - Herpes simplex virus All cell contain - Ribosomes for protein synthesis An HIV positive patient should be treated with a wide array of drugs because - S/he is susceptible to a variety of opportunistic infections and AIDS defining illnesses An important mineral ion that is a component of chlorophyll and serves as a stabilizer of membranes and ribosome is - Magnesium ATP differs from the nucleotides found in DNA in the - Sugar portion of the molecule Bacteria require special growth factors and complex nutrients are termed - Fastidious