In the process of our experiment, which centrifugation fraction is used to observe the intact chloroplasts under the microscope?

You have several different media onto which you inoculated eight strains of yeast (A-H). The media include a rich medium, an unsupplemented minimal medium, and minimal media each supplemented with one vitamin. Of the yeast strains, one is a prototroph and seven are auxotrophs for a vitamin. After overnight incubation, the following results were observed (tan patches represent growth): D plate 1 (A) B DE F GH plate 5 plate 4 plate 6 Which plate contains an unsupplemented minimal medium? [Select] Which plate contains a rich medium? [Select] plate 2 Which strain is a prototroph? [Select] Strain E is an auxotroph for niacin. Which plate reveals this specific auxotrophy? [ Select] plate 3 plate 7 One strain is an auxotroph for both choline and pantothenic acid. Which one is this most likely to be? [Select]

Your lab is determining the oxygen growth requirements of several different bacteria. For this experiment you'll need 40 tubes of thioglycolate broth. The formula on the bottle says to mix 23.8 g of powdered broth with 1 liter of deionized water. Assuming 7 mL of broth per tube. How many grams of powdered broth will be required for this experiment? (Show your answer to 3 decimal places)

Using bright-field microscopy to look at a slide prepared with a basic dye you observe cells with a clear inner compartment within the cell at 400X magnification. The cell is most likely a(n) A) prokaryote. B) bacterium. C) archaeon. D) eukaryote.