Question

If you have 1.0 x 10 molecules in a tube and perform a 10-4 dilution, how many molecules will be in your new tube? 1000 molec
0 0
Add a comment Improve this question Transcribed image text
Answer #1

total molecules = 100000

Diluted up to 10-4

So remaining molecule = 100000 /10000 =10

So your answer is correct.

Add a comment
Know the answer?
Add Answer to:
If you have 1.0 x 10 molecules in a tube and perform a 10-4 dilution, how...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • (A) You have a sample with an original concentration of 1.0 x 10^7 CFU/mL. With the...

    (A) You have a sample with an original concentration of 1.0 x 10^7 CFU/mL. With the Plate Count Method, what final dilution factor would be needed to produce countable plates? Show your work. (B) Describe a dilution scheme (how many tubes, what volume in each tube, what DF is achieved in each step) that uses only the 9-mL blank diluent tubes to achieve the dilution needed for this FDF.

  •    A. 0.001 uL B. 0.01 uL C. 0.1 uL D. 1.0 uL You have performed...

       A. 0.001 uL B. 0.01 uL C. 0.1 uL D. 1.0 uL You have performed a 10-fold serial dilution of your phage sample from 100 to 10-4. You have been transferring 10 uL of sample from one tube to the next. How many microliters of the original 100 sample are in the 10-4 tube?

  • You need to perform a 5 x 10-6 dilution. Give a detailed scheme of how you...

    You need to perform a 5 x 10-6 dilution. Give a detailed scheme of how you could carry out this dilution using serial dilutions similar to those you performed in class.

  • This viral growth curve was generated as follows: 1.0 ml of a 10-5 dilution of a...

    This viral growth curve was generated as follows: 1.0 ml of a 10-5 dilution of a viral preparation was added to 5 X 10^8 cells at time 0 (final volume: 1.0 ml). A plaque assay done with 0.1 ml of the 10-5 dilution of the original viral preparation gave 100 PFU. 11.What was the M.O.I at point A? 12.If the burst size was 100, what was the viral concentration at point B? 13.How many additional infectious cycle can be completed...

  • A. You have been given a tube of E. coli. You are asked to make 1...

    A. You have been given a tube of E. coli. You are asked to make 1 mL total volume of 10-1 dilution of the bacterial culture. Explain how you would do this. Show all necessary calculations. ____ ml cells   +    _____ ml water    = 1 ml    (total volume) B. Next, you were asked to make a 10-2 dilution of the bacterial sample. Explain how you would perform this. Show all necessary calculations. You have bacteria at a concentration of 2...

  • Your cell suspension is 6.3 x 10^8 cells /mL. Explain how to prepare a tube of...

    Your cell suspension is 6.3 x 10^8 cells /mL. Explain how to prepare a tube of 1 mL with cells at 2 x 10^5 cells/mL. Pipetting less than 1 μL is hard to do accurately. Do a dilution if less than 1μL After dilution,Now that you have your tube of 1 mL with cells at 2 x 10^5/mL, explain how to add 10^4 cells to each of 10 wells. Do you have enough cells?

  • 1. You have been given a tube that contains 2.4 x 109 bacteria/ml. Diagram a complete...

    1. You have been given a tube that contains 2.4 x 109 bacteria/ml. Diagram a complete dilution scheme so that you will have a plate with 240 colonies on it. How would you change the scheme you have drawn above so that the plate had 100 colonies on it? 1. You have been given a tube that contains 2.4 x 109 bacteria/ml. Diagram a complete dilution scheme so that you will have a plate with 240 colonies on it. (3...

  • 2. A series of 1 ml samples from tube #4 of the dilution s eries below are spread on agar plates,...

    2. A series of 1 ml samples from tube #4 of the dilution s eries below are spread on agar plates, resulting in the growth of an average of 68 colonies per plate. What is the concentration of colony-forming units (cfu/mi) present in the original culture? 0.1 ml 0.1 ml 1 ml 1 ml 100 ml 9.9 ml 9.9 ml 9 ml 9 ml 2 4 3. The culture flask at left contains a total of 3.2 x 10s cfu....

  • I just need help with #4. Thank you!! 4. c. PBLAST I have a bacterial concentration...

    I just need help with #4. Thank you!! 4. c. PBLAST I have a bacterial concentration of 2500 CRU/mL in tube 'X' in my dilution series. Its total dilution factor (TDF) is 10 What do you estimate the concentration of stock culture (or original tube) to be? *Note: you have all the information you need to perform this calculation (1 pt)

  • Serial dilution problem You have a stock of 5% SDS. You take some of that stock...

    Serial dilution problem You have a stock of 5% SDS. You take some of that stock and dilute it 4-fold in tube #1. the tubes hold 1.5ml. give an example of how much 5% stock and how much water you would use to make 4 fold dilution - volume of 5% stock ? - volume of water? - How much volume transferred? - if you took a sample out of tube 2 and did another 4 fold dilution, what concentration...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT