Archaea is more closely related to O O Archaea is not closely related to any of these domains because their common ancestor is 3 billion years ago. Eukarya Bacteria None of the above
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- O SC myEFSC с ← > C O Search the webOalgaeBASE dpalgaeBAsE B galgaeBASE Figure 3. A. Oscillatoria and B. Anabaena under microscope Reference source: https://www.algaebase.org/search/pictures/ 1. What is the colony morphology of these two cyanobacterial species having?Microbe 1 (photo below) • The genus name of this free-living aquatic microbe is for motility and a(n) • It uses to prevent osmotic lysis (fill-in blanks correctly) 512 OAmeoba ; pseudopods; contractile vacuole O Ameoba_: cilia: exosome O Paramecium_; cilia; exosome O Entamoeba ; flagella; exosome O Paramecium ; pseudopods; phagosomeWhy do cyanobacteria possess heterocysts? View Available Hint(s) for Part A Heterocysts shield the organism's nitrogen fixation enzymes from oxygen. Heterocysts serve as a primitive nucleus in these bacteria. Heterocysts are reproductive structures similar to endospores in other bacteria. Bacterial photosynthetic pigments are located in heterocysts.Figure 13.6 Which of the following statements is true? a. Gram-positive bacteria have a single cell wall formed from peptidoglycan. b. Gram-positive bacteria have an outer membrane. c. The cell wall of Gram-negative bacteria is thick, and the cell wall of Gram-positive bacteria is thin. d. Gram-negative bacteria have a cell wall made of peptidoglycan, while Gram-positive bacteria have a cell wall made of phospholipids.1000x Multicellular, photosynthetic Volvox Aggregate Protococcus cells Simple colony Scenedesmus cells Epithelial cells from a multicellular animalProkaryotes reproduce by___________ and maysometimes exchange genetic material through the processof____________ .Help indetifying the unknown bacteria ? Gram Stain: Purple Cell Morpholgy: Rods Oxygen Requirement: OA Acid Fast Stain: pink Endospore Stain: pink rods Blood agar-hemolysis: no lysis Phenol red-glucose fermentation:red,no gas Phenol red -lactose fermentation:red,no gas Phenol red - mannitol fermentation:red,no gas Phenol red-sucrose fermentation: red,no gas Methyl red:no change Voges-Proskaur: no change Oxidase: no change Catalase: bubbles Nitrate Reduction: red after a & bVhich of the following does NOT describe a mechanism of antibiotic resistance among bacteria O enzymes to hydrolyze or chemically alter the antibiotics O efflux pumps Omutations in target moleclues so that antibiotics can no longer bind O increased synthesis of porins to increase antibiotic diffusion across membranes O cell wall diffusion barrier, e.g. Gram-negative outer membrane, ACid Fast cell wall of Mycobacterium Question 9 Bonus: You are treating a patient with inhalation anthrax with antibiotics. After 2 weeks of antibiotics, the patient seems greatly improved and you discharge the patient.Why is Entamoeba histolyticaoften termed as “clinically significant amoebic parasite”? Differentiate the Entamoeba histolyticaand Entamoeba coliin the appearance of their cysts and trophozoites seen under microscope. What parasite is commonly mistaken as Entamoeba histolytica and why?Help indetifying the unknown bacteria ? Gram Stain: Pink Cell Morpholgy: Bacillus Oxygen Requirement: OA Acid Fast Stain: green Endospore Stain: pink rods Blood agar-hemolysis: lysis (yellow clearing) Phenol red-glucose fermentation:red,no gas Phenol red -lactose fermentation:red,no gas Phenol red - mannitol fermentation:red,no gas Phenol red-sucrose fermentation: red,no gas Methyl red:no change Voges-Proskaur: no change Oxidase: purple Catalase: bubbles Nitrate Reduction: red after zinxWhat is the unknown bacteria? Morphology: Bacillus Gram stain: purple Oxygen requirements: FA Endospore stain: Green Hemolysis: complete Glucose fermentation: yellow, no gas Lactose fermentation: red, no gas Methyl red: red VP: no change Oxidase: no change Catalase: bubbles Nitrate reduction: red after zinc Citrate utilization:blue Urea: orange Starch hydrolysis: halo Gelatin hyrolysis: liquidSEE MORE QUESTIONS