McConkey Agar has been requested by a hospital that is investigating cases of suspected Salmonella food poisoning. The formula on the bottle of powdered media is 50 g / 1000 mL deionized water. How many grams of media would be required to prepare 90 plates assuming 20 mL per plate? 150 O 75 90 O 180

Oxidative Phosphorylation (electron transport chain + chemiosmosis) What goes in? What comes out? What happens to the energy that is released? Where does each step occur? What biproducts or molecules are produced or consumed (such as NADH, FADH2, CO2, ATP/GTP, O2, so on...). How is it regulated?

There are 5 TSIA media A-E beginning from the left. Describe the reactions in tubes B, C, D, E only.

A 250mL solution of penicillin and streptomycin needs to be made from penicillin G powder and streptomycin sulfate powder. Can you explain how to make this? Please show details, thank you.

Explain how to prepare 250 ml liquid and 500 ml solid form separately from LB (Luria Bertani) medium whose components and concentrations are given below. Yeast extract 5 g/L Peptone 10 g/L NaCl 10 g/L Agar 1.5 g/L

A lab interested in isolating Escherichia coli from food samples uses a lot of Eosin Methylene Blue (EMB) Agar. The recipe for this media is 36 g/L deionized water. How many grams of media would be required to prepare 350 plates assuming 20 mL per plate? 072 O 112 O 90 O 252

250 uL of 1M azide was added to a 25 mL yeast solution. What was the concentration of azide in the yeast culture? (use proper units)

The following ingredient list represents which type of growth media? Beef extract 1.5 g Yeast extract 3.0 g Peptone 6.0 g Glucose 1.0 g Agar 15.0 g water 1000 ml pH 6.6

How much liquid media should you put in your dilution blank if you wanted to serially dilute a1 ml sample by a factor of 5?

You resuspend 1 ml of of a purified chlorophyll sample in 10 ml of 80% acetone, and determine that the optical density of the solution (at 652 nm) is 0.88. What is the concentration of your original preparation?