Lab 2 - micropipettes and spectrophotometers

micropipettes deliver - in a variety of volumes

small amounts of solution

spectrophotometers have various applications in qualitative analysis of -, determining - concentrations, measuring cell -, and assaying -

sample purity, DNA and protein, density, enzyme catalyzed reactions

spectrophotometry is based on the premise that

different compounds absorb different wavelengths

photometric assays could directly measure absorbance pf a sample at a - or an indirect measurement of an -, or related substance that serves as an -

given wavelength, enzymatic reaction product, indicator of absorbance

most spectrophotometers include a

light source, wavelength selector, slit, cuvette, photocell, and analogue or digital readout

OD stands for

optical density