A student carried out an experiment, looking at the effect of different antiseptics on the growth of the bacterium, Micrococcus luteus.Their results are shown below:The student made the following conclusions:1. Antiseptic 1 is the least effective at killing or stopping the growth of bacteria.2. Antiseptic 3 has the smallest zone of inhibtion.3. Antiseptic 1 is more effective than antiseptic 2.Which of the following conclusions are correct?1 & 21, 2 & 31 & 32 & 3

The images below show the main steps involved when investigating the effect of antiseptics on the growth of bacteria.Place the images in the correct order.Step 1Step 2Step 3Step 4Step 5Step 6Possible AnswersI DON'T KNOWRESETSUBMIT ANSWERLearning MaterialChoose your materialCENTURY ExplainsSlideshowAim & BackgroundVariablesEquipment IEquipment IIAutoclave & IncubatorSafetyResults TableCalculator FunctionMethod: Clean the Work SurfaceMethod: Bunsen BurnerMethod: Agar Plate LabelsMethod: ControlMethod: Disc 1Method: Disc LocationMethod: Control DiscMethod: Seal with TapeAnalysis: Zone of InhibitionAnalysis: Mean Zone MeasurementsAnalysis: Calculate Mean Cross-sectional AreaConclusionAlternative Method IAlternative Method IIQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionSummary

The efficiency of all disinfectants and antiseptics is influenced by a variety of factors including concentration, length of exposure, type of microorganisms to be destroyed, and environmental conditions. Group of answer choices True False

An antibiotic works by disrupting peptidoglycan cell wall biosynthesis. Which of the following statement is TRUE?Group of answer choicesIt will kill fungi because they have cell walls made of chitinIt will not kill viruses because they do not have cell wallIt will kill viruses because they have nucleocapsid structureIt will kill bacteriophage but not enveloped virus

A scientist tested the effects of three different antibiotics on the growth of Staphylococcus aureus bacteria.These are their results:Which of the following statements is false?Neomycin is the least effective antibiotic.Neomycin is more effective than tetracycline.Tetracycline has the smallest zone of inhibition.Amoxicillin is the most effective antibiotic.I DON'T KNOWSUBMIT ANSWERLearning MaterialChoose your materialCENTURY ExplainsSlideshowAim & BackgroundVariablesEquipment IEquipment IIAutoclave & IncubatorSafetyResults TableCalculator FunctionMethod: Clean the Work SurfaceMethod: Bunsen BurnerMethod: Agar Plate LabelsMethod: ControlMethod: Disc 1Method: Disc LocationMethod: Control DiscMethod: Seal with TapeAnalysis: Zone of InhibitionAnalysis: Mean Zone MeasurementsAnalysis: Calculate Mean Cross-sectional AreaConclusionAlternative Method IAlternative Method IIQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionQuestionSummary

Why do microorganisms differ in their response to disinfectants and antiseptics?