germanphysics
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I'm studying biology . I speak: English, German, Spanish and Italian (a bit). I'm interested in particle physics, programmed cell death and at all a huge field of genetic researches.
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Questions Asked 13
Questions Answered 0
Medals Received 0
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Questions Answered 0
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Medals Received 0
Questions Asked 22
Questions Answered 4
Medals Received 3
Questions Asked 7
Questions Answered 16
Medals Received 17
Questions Asked 8
Questions Answered 0
Medals Received 2
Questions Asked 2
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Medals Received 0
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Questions Asked
germanphysics:
Group Title
How do I create a genbank using a phage? I had the idea of using a cosmide (Plasmid with cos-sides) to simply produce phages containing the …
updated 2 months ago
No Medals Yet
Mathematics
germanphysics:
Group Title
I have to calculate a PCR-Solution with a 10 pM/µl Primer-Solution and I want to get a Endvolume of 20 µl with a primer concentration of 1 µ…
updated 2 months ago
4 replies
No Medals Yet
Mathematics
germanphysics:
Group Title
Why are lambda1=4 and lambda2=-1 the eigenvalues of A=(3,-2;-2,0) ?
updated 2 months ago
44 replies
4 Medals
Mathematics
germanphysics:
Group Title
Why are lambda1=4 and lambda2=-1 the eigenvalues of A=(3,-2;-2,0) ?
updated 2 months ago
2 replies
1 Medal
Mathematics
germanphysics:
Group Title
A craftsman hits his thumb once in 10^3 hits. How many times does he hit his thumb per 3x10^3 hits? How large is the probability, that he hi…
updated 2 months ago
16 replies
2 Medals
Mathematics
germanphysics:
Group Title
If there are 60 students that shall work in groups of 2 and 3 students and you want to have 12 groups of each, how many variations are there…
updated 2 months ago
24 replies
2 Medals
Mathematics
germanphysics:
Group Title
I have a homework to solve but I don`t really know, how to start: Show with the help of cartesian components and by using the E-Tensor, that…
updated 3 months ago
No Medals Yet
Mathematics
germanphysics:
Group Title
I have a homework to solve but I don`t really know, how to start: Show with the help of cartesian components and by using the E-Tensor, that…
updated 3 months ago
No Medals Yet
Mathematics
germanphysics:
Group Title
How do I solve the following equation for n?
updated 10 months ago
32 replies
1 Medal
Mathematics
germanphysics:
Group Title
How do I produce auxotroph bacteria f.E. K12?
updated 10 months ago
No Medals Yet
Mathematics
germanphysics:
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Can somone explain me the single steps for interpreting a GC-MS diagramm? So, what exactly will be next after I got the spectrum? thx
updated one year ago
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Mathematics
germanphysics:
Group Title
Is this correct for the energy of torsion for 2-Methylbutan?
updated one year ago
5 replies
No Medals Yet
Mathematics
germanphysics:
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How do I calculate the relative share of a molekule from his reaction speed?
updated one year ago
1 reply
1 Medal
Mathematics
germanphysics:
Group Title
Why is this structure not a meso structure?
updated one year ago
2 replies
1 Medal
Mathematics
germanphysics:
Group Title
Which kind of Elimination proceeds in this reaction?
updated one year ago
1 reply
No Medals Yet
Mathematics
germanphysics:
Group Title
Why does (2R,3E)-pent-3-en-2-ol look like this? Why has the double bound not the smallest number?
updated one year ago
2 replies
1 Medal
Mathematics
germanphysics:
Group Title
How do I know, if (S)-2-bromobutane reacts with iodid (I-) SN1 or SN2? So how can I sepperate those competitive Reactions, when it comes to …
updated one year ago
14 replies
1 Medal
Mathematics
germanphysics:
Group Title
How do I name a heterocycle in organic chemistry? I know how to name a substituent but how does ist work with a heterocycle or is it simply …
updated one year ago
3 replies
1 Medal
Mathematics
germanphysics:
Group Title
Does the ideal gas has a mass? Is a System with pV=nRT always an ideal gas?
updated one year ago
No Medals Yet
Mathematics
germanphysics:
Group Title
Two cars are starting. Both are accelerating with a constant acceleration. After t=15s car 2 is 200m ahead of car 1. How large is the veloci…
updated one year ago
6 replies
1 Medal
Mathematics
germanphysics:
Group Title
In how many parts does a restrictionendonuclease which recognition sequenz is 6 bp long cut a 50.000 bp DNA vector? (Every base has the same…
updated one year ago
No Medals Yet
Mathematics
germanphysics:
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Hi! Can anyone explain me how to calculate the activity of an oxidant/reductant? I have to calculate a silver/silver chloride electrode in p…
updated 2 years ago
3 replies
1 Medal
Mathematics
germanphysics:
Group Title
Is there anyone who studies at the California Institute of Technology and knows about the specific research topics of it's biophysical insti…
updated 2 years ago
No Medals Yet
Mathematics
germanphysics:
Group Title
Why is KCl a better salt-bridge than NaCl?
updated 2 years ago
4 replies
No Medals Yet
Mathematics
germanphysics:
Group Title
Actually, my question is about physical-chemistry... How do I calculate the middle activitycoefficient?
updated 2 years ago
2 replies
No Medals Yet
Mathematics
germanphysics:
Group Title
Actually, my question is about physical-chemistry... How do I calculate the middle activitycoefficient?
updated 2 years ago
2 replies
No Medals Yet
Mathematics
germanphysics:
Group Title
I have the Following profblem, that i still don't get...
updated 2 years ago
15 replies
2 Medals
Mathematics
germanphysics:
Group Title
If I have an electric circuit with two consumers P1= 80 W and P2=40W, the are parallel and the voltage U=120 V, what is the resistance of bo…
updated 2 years ago
1 reply
2 Medals
Mathematics
germanphysics:
Group Title
I have the following task, but I think the solution, which was given, is wrong:
updated 2 years ago
No Medals Yet
Mathematics
germanphysics:
Group Title
Spring calculation: Acos(wt+phi). How is this derived? And why follows for the deflection: x=(0,100m)*cos (8,08t) ? (D=19,6 N/m; w=8,08s^-1 …
updated 2 years ago
2 replies
2 Medals
Mathematics
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