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BACE EXAM | Questions And Answers Latest {} A+ Graded | 100% Verified
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BACE EXAM | Questions And Answers Latest {} A+ Graded | 100% Verified
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BACE EXAM | Questions And Answers Latest {2024- 2025} A+ Graded | 100% Verified4.651 x 10^4 written in expanded form is - 46,510
What is 5.78 x 3.13, rounded to the correct number of significant digits? - 18.1
What is 4.202 x 0.806, rounded to the correct number of significant digits? - 3.39
How many grams is 2.6 kg? - 2600
How many milliliters is 0.725L?
Group of answer choices - 725
Your supervisor provides you with a 1.0 mg/mL solution of Bovine Serum Albumin
(BSA), and asks you to make a 5-step 2-fold serial dilution. What would be the dilution
factor at step 3? - 1:8
You are given a 5.0 mg/mL protein standard solution, and asked to prepare a 5-step, 2-
fold serial dilution to create a standard curve. What is the final concentration of protein
standard in mg/mL? Record the correct amount to three decimal places. - 0.156
You are given a 5.0 mg/mL protein standard solution, and asked to prepare a 5-step, 2-
fold serial dilution to create a standard curve. After the third step of the dilution, what is
the concentration of the protein standard, in mg/mL? Record the correct amount to two
decimal places. - 0.63
Your supervisor provides you with a 1.0 mg/mL solution of Bovine Gamma Globulin
(BGG). What is the dilution factor if you add 150 µL of 1.0 mg/mL BGG to 150 µL of
diluent? - 1:2
A technician is asked to prepare a dilution of a common laboratory disinfectant. The
label indicates that a 1:29 dilution in water is required prior to use. Using the simple
dilution method, calculate the volume in mL of disinfectant required to make 1.0 L.
Record the answer to one decimal place below - 34.5
An SOP for preparing a bleach solution instructs to dilute the bleach 1:15 in water.
Using the simple dilution method, calculate the volume in mL of bleach required to make
3.5 L. Record the correct amount to one decimal place. - 233.3 mL
You are given a stock protein solution with a concentration of 24 mg/mL. Determine the
protein concentration of a solution made by mixing 5 μl of the stock with 45 μl of a
buffer. Record the amount to one decimal place. - 2.4
, Calculate the volume in mL of 50X TE Buffer required to make 1.5 L of 1X TE Buffer. -
30 mL
Calculate the volume in mL of 25X TAE Buffer required to make 5.0 L of 1X TAE Buffer.
Record the correct amount. - 200 mL
Calculate the volume in mL of a 10.5 mg/mL tetracycline stock solution required to
make 525 mL LB with a final concentration of tetracycline at 2.75 mg/mL. Record the
answer to one decimal place. - 137.5
Which of the following is the correct method to make 1 L of 10% sodium chloride? -
Dissolve the appropriate amount of sodium chloride in a small volume of dH2O, then
adjust the volume to 1 L
Calculate the mass in g of agarose required to make 200 mL of a 1.2% agarose gel.
Record the answer to one decimal place. - 2.4
Calculate the mass in mg of kanamycin required to make 25 mL of a 12 mg/mL solution
of kanamycin. - 300
Calculate the mass in g of sucrose required to make 125 mL of a 15.5% (w/v) sucrose
solution. Record the correct amount to one decimal place. - 19.4
Calculate the mass in g of MgCl2 required to make 75 mL of a 20% (w/v) MgCl2
solution. Record the correct amount. - 15
Calculate the volume in mL of a 10.0 M solution of HCl stock solution required to make
250 mL of 1.0 M HCl? Record the correct amount. - 25
Calculate the volume in mL of a 1.5 M solution of NaOH stock solution required to make
275 mL of 50.0 mM NaOH? Record the answer to one decimal place. - 9.2
Calculate the molarity of a solution containing 0.42 moles of NaCl in 2.5 L of water?
Record the answer to two decimal places. - .17
To dilute a bacterial culture, 10 uL of culture is mixed with fresh culture medium to a
final volume of 0.5 mL. The culture was diluted by a factor of: - 50
bleach - Basic
lemon juice - Acidic
Baking soda - Basic
Oven cleaner - Basic
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