Microbiology straighter line final exam with complete Question and Answers 2024

Microbiology straighter line final exam with complete Question and Answers 2024 During the Gram stain, the application of alcohol results in the decolonization of ______ cells. Gram-negative The size of a eukaryotic ribosome is ______ 80s Sterilizing filters have a pore size of 0.22 μm. Which of the following statements is true? Bacterial cells are typically between 1-10 μm and are blocked by the filter, whereas most viruses are between 20 and 200 nm and therefore pass through. One of the principal viral capsid shapes is a 20-sided figure with 12 evenly spaced corners referred to as a/an _____ capsid. Icosahedral Amoebic dysentery is most commonly contracted through Fecal oral The viral genome inserting into bacterial host chromosome Lysogenic Which of the following is not associated with every virus? Envelope When bacilli in a chain fold back upon each other like a hinge, this cellular arrangement is termed a ______. Palisade Proteins associated with DNA in the nucleus. Histones Viral tissue specificities are called ______. Tropisms The term that refers to the presence of a tuft of flagella emerging from a single site is ______. Lophotrichous E. coli bacteria normally live in the human gut and produce vitamin K that the body uses. This is best termed a ______ relationship. Mutualistic Termites are insects that require the protozoan Trichonympha in their gut to synthesize the enzyme cellulose to degrade the cellulose in wood. The protozoan uses the end products of the cellulose breakdown (glucose). This is a (n) ______ relationship. Mutualistic The phase of the bacterial growth curve in which newly inoculated cells are adjusting to their new environment, metabolizing but not growing at an exponential rate, is the ______. Lag phase The cell wall will help prevent the cell from bursting in ______ conditions. Hypotonic This microbe is photosynthetic, but in the absence of light it can use organic compounds as an energy source. Its carbon source is an organic compound. The appropriate classification for this organism would be ______. Photoheterotrophic A microorganism that has an optimum growth temperature of 37°C, but can survive short exposure to high temperatures is called a (n) ______. Thermoduric microbe The end product binding to enzyme in noncompetitive site Noncompetitive inhibition Ribozymes are ______. Catalysts for RNA splicing Most electron carriers are ______. Coenzymes What is the usual net production of ATP? 2 Exergonic reactions occur during Aerobic cellular respiration Each nucleotide is composed of One phosphate, one nitrogenous base, and one sugar A frameshift is caused by ______ mutations. Deletion and insertion The fields of genomics and proteomics differ in that Genomics refers to the study of an organism's entire genome, whereas proteomics is the st