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Questions Asked

xkat:
Group Title
You need to make 50ml of medium 1099. Medium 1099 contains coys solution, 10% fetal bovine serum, 20mM HEPES, 10 micrograms/ml insulin, 1x b…
 updated 2 months ago
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Mathematics

xkat:
Group Title
You have a working cell suspension containing 2.5x10^6 cells/ml medium and a tube containing 10ml of fresh culture medium. You wish to make …
 updated 6 months ago
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Mathematics

xkat:
Group Title
Given a 2mg/ml stock of BSA make 100 microliters each of 400and 300 microliters/ml diluted standards in 10% triton x100. For simplicity eac…
 updated 6 months ago
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Mathematics

xkat:
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1. You have 510ml of 1.5 M EDTA. How much 1 mM EDTA can you make?
2. You need 0.5 L of 10% glycerol and have a bottle of 100% glycerol. H…
 updated 6 months ago
 1 reply
 1 Medal
Mathematics

xkat:
Group Title
You have a 1M KCl solution and need to make 50ml of 0.1 KCl. How would you make it?
 updated 6 months ago
 1 reply
 2 Medals
Mathematics

xkat:
Group Title
Dosage compensation in mammals typically involves the random inactivation of one of the two X chromosomes relatively early in development. S…
 updated 7 months ago
 3 replies
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Mathematics

xkat:
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If a single bacteriophage infects one E. coli cell present on a lawn of bacteria and, upon lysis, yields 405 viable viruses, how many phages…
 updated 7 months ago
 1 reply
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Mathematics

xkat:
Group Title
If the child is blood type AB, while the mother is blood type A.What blood type would exclude a male from being the father?
…
 updated 7 months ago
 1 reply
 2 Medals
Mathematics

xkat:
Group Title
In humans, the ABO blood type is under the control of autosomal multiple alleles.
Color blindness is a recessive Xlinked trait.
Mom is ty…
 updated 7 months ago
 1 reply
 1 Medal
Mathematics

xkat:
Group Title
What essential criteria must be met in order to execute a successful mapping cross?
select all that apply
…
 updated 7 months ago
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Mathematics

xkat:
Group Title
In a disputed percentage case, the child is blood type AB while the mother is blood type AB. What are the possible blood type(s) for the fat…
 updated 8 months ago
 1 reply
 1 Medal
Mathematics

xkat:
Group Title
An organism has 2 homologous pairs of chromosomes in its somatic cells, AA' BB' ( chromosomes not genes) how many possible gametes are there…
 updated 8 months ago
 2 replies
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Mathematics

xkat:
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In an experiment with snapdragons, heterozygotes were crossed with each other: R^1R^2 x R^1R^2
R^1 is the allele for red flowers
…
 updated 8 months ago
 5 replies
 2 Medals
Mathematics

xkat:
Group Title
In what ways has biotechnology changed agriculture in the United States?
Select all that apply.
…
 updated 8 months ago
 1 reply
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Mathematics

xkat:
Group Title
how many different proteins, each composed of 8 amino acids, can be constructed using 20 different amino acids found in proteins?
 updated 8 months ago
 4 replies
 2 Medals
Mathematics

xkat:
Group Title
46% of the current workforce is women and of that workforce 60% earn $8 an hour or less so what part of the total US workforce is made up of…
 updated 9 months ago
 3 replies
 1 Medal
Mathematics

xkat:
Group Title
Need help proofreading a paper for grammar issues. Please!!
 updated 10 months ago
 2 replies
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Mathematics

xkat:
Group Title
divide a 16/500 dilution into 4 sequential dilutions
 updated one year ago
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Mathematics

xkat:
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Let's pretend you work as a barista at Starbuck's. During one week, your "team" gets a total of $10,000 in the tip jar. All together, when y…
 updated one year ago
 3 replies
 1 Medal
Mathematics

xkat:
Group Title
If you have ten dollars, and you lose 25 percent of it and then you earn 20% on what is left, how much do you have?
 updated one year ago
 1 reply
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Mathematics

xkat:
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How do you prepare 50mL of 0.20 M potassium iodate in 0.080 M sulfuric acid?
 updated one year ago
 1 reply
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Mathematics

xkat:
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You get $11 per hour. You work 4 hours a day, Thursday through Sunday. But on one particular Sunday, the boss asks you to stay and work an e…
 updated one year ago
 1 reply
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Mathematics

xkat:
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You get your very first job ever at a burger joint. You will be working every Saturday, 8 hours, at minimum wage. However, the boss says tha…
 updated one year ago
 8 replies
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Mathematics

xkat:
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You get a job working 20 hours a week. Your wages are $10.00 an hour. You work just for the Summer  12 weeks, 5 days a week. How much do y…
 updated one year ago
 1 reply
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Mathematics

xkat:
Group Title
16.11 For the reaction C(g) ====> D(g), [C] vs. time is plotted
 updated one year ago
 1 reply
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Mathematics

xkat:
Group Title
Solve for n
1/410.1 = 1.097x10^7[((1/(2^2))((1/(n^2))]
 updated one year ago
 1 reply
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Mathematics

xkat:
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What are the coordination numbers of colbalt(III), platinum(II) and platinum(IV) in complexes?
 updated one year ago
 1 reply
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Mathematics

xkat:
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The conversion of violet radiation (800 nm) into Xray radiation (32nm) was reported in 1998. What is the minimum number of violet photons n…
 updated one year ago
 1 reply
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Mathematics

xkat:
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Which compartment below is the largest compartment of the extracellular fluid?
a. plasma
…
 updated one year ago
 2 replies
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Mathematics

xkat:
Group Title
I need someone who can help me proofread a paper. Please!!
 updated one year ago
 20 replies
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Mathematics
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