Questions tagged [units]

Units commonly encountered in biology: their definitions, usage, conversion.

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Definition of a Katal (unit of enzyme activity)

I am very confused about what one 'Katal' actually is. From Wikipedia, "The katal is not used to express the rate of a reaction; that is expressed in units of concentration per second (or moles per ...
3
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1answer
967 views

What is an inclusion forming unit?

What is inclusion forming unit load? I found it when reading this article. What does this measure and what information can be gained form it? Does this represent the amount of bacteria within a ...
2
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1answer
588 views

Where do I purchase this Trypsin?

I am currently on the lookout for Trypsin, but I have some trouble finding something that is fairly cheap, ships to Europe and is equivalent to this Trypsin: http://www.emsdiasum.com/microscopy/...
2
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1answer
253 views

how to quantify toxicity

When going through this link, Table 1, what are the numbers mentioned there? How is one quantifying toxicity?
2
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0answers
609 views

Convert flux value in nmol/min/mg protein to nmol/min/cell?

This is a question about unit conversion. I found an experimental measurement of the saturation uptake of glucose in yeast: $$V_\textrm{max} \approx 650 \textrm{nmol}/\textrm{min}/\textrm{mg protein}$...