While the absorbance at 420 nm is related to the amount of o-nitrophenol produced, the absorbance at 600 nm is proportional to cell density, which aids in standardizing our estimations of enzyme activity.
<h3>Describe absorbance.</h3>
The amount of light absorbed by a solution is measured by its absorbance (A), often referred to as optical density (OD). The amount of light that may flow through a solution is called its transmittance.
<h3>How is the activity of beta-galactosidase determined?</h3>
The colorless ONPG substrate is changed by beta-Galactosidase into galactose and the chromophore o-nitrophenol, which results in a vivid yellow solution. The amount of substrate transformed at 420 nm can be calculated by measuring the solution's beta-galactosidase activity using a spectrophotometer or a microplate reader.
<h3>What is measured by the beta-galactosidase assay?</h3>
The -Gal Assay Kit gives users the tools they need to swiftly assess the amounts of active beta-galactosidase expressed in cells that have been transfected with plasmids encoding the lacZ gene.
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This will result in an incomplete amino acid that will cause the function of the protein to change and also the shape of the protein to change.
D. fiber, omega-6 fatty acids
Transcription to mRNA, then mRNA carry the info out the pores on the nucleus, to the cytoplasm starting translation
Mitosis: <span>The stages are prophase, prometaphase, metaphase, anaphase, and telophase.
Meiosis: The stages are Interphase, prophase I, metaphase I, anaphase I, telophase I, cytokinesis, Interphase II, prophase II, metaphase II, anaphase II, telophase II, cytokinesis.
Hope this helps :)</span>