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the process of which the mass of the boat or paper is subtracted for the total mass to determine the mass of the load.
Percent experimental error equation
observed % error = observed value - expected value/ expected value X 100
Important points when using a digital micro pipet
never use without a tip.
- never lay down with a full tip
-never let the plunger snap back up while withdrawing or after ejecting fluid
-always hold in vertical position
-never dial # greater or less than the range or pipet
-never re use the tip in a new solution
consists of a compound of 3 lenses that interact to allow the specimen to be brought into focus. image hits the eye upside down and backwards
most H2O molecules move in and out of cells by passing through these special protein pores
when solutions of different solute concentrations are separated by a barrier.
random movement of particles down the concentration gradient from high to low concentration
RBS that are placed in a hypotonic solution will swell and become spherical then burst due to influx of too much water
induced fit theory
once the substrate binds to the active site the enzyme changes shape slightly to bind the substrate more tightly
all chemical reactions speed up as temp is raised, however above 60 degrees celsius, many proteins are denatured
the higher the initial concentration of an enzyme the more product will be made pr unit time
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