You have a stock antibiotic solution with a concentration of 15 mg/ml. You need to make 100 ml of nutrient broth with an antibiotic concentration of 0.4 mg/ml. How much stock antibiotic solution would you add to how much nutrient broth to achieve this concentration?

The authors of this paper also tested another minimal media (Media C) which is exactly the same as Media B except that the pH is 7.4 instead of 7.1. Which media components would be different in Media C? For each component that is different, state if will be larger or smaller than the amount in Media B.

What will happen to the color of the Coomassie reagent as more protein is added? Group of answer choices A) It will turn more Blue B) It will turn more Green C) It will turn more Red

We’re going to make our own yogurt using mixed bacteria cultures which contains Lactobacillus casei, Bifidobacterium longum, Lactobacillus bulgaricus, Streptococcus thermophiles, Lactobacillus acidophilus How can you tell if you successfully made yogurt? What are the functions of all different species in the mixed yogurt cultures?

For the following problem indicate the values for each part of the equation and solve for the unknownvalue:Peter adds 200 μL of bacteria to a tube containing 2 mLs of nutrient broth and then adds 300 μL of acertain disinfectant. The final concentration of the disinfectant in this tube after adding it is 5%.C1=C2=V1=V2=

Removal of the nitrogen-containing group from an amino acid is termed ____________.   Question options:   deamination   azospirillification   nitrogen fixation   denitrification   nitrification

If the volume of a Staphylococcus aureus cell is estimated at 0.5 μm3, how many cells could be accommodated, in principle, in 5 mL of saturated culture? (1 mL = 1 cm3). Show your calculations.

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

If I add 10 microliters of a culture at 106 cells/mL to 990 microliters of nutrient broth, what is the cell density in the new solution?

Describe how a Triple Sugar Iron agar tube would appear if the following situation was true. Please note that all items in the following list are occurring in the same tube of agar. 1. Positive for glucose fermentation 2. Negative for lactose and sucrose fermentation 3. Positive for H2S production 4. Negative for gas production