Brian is a forensic investigator studying a tool mark on a door jam. He has gone through the steps of collecting the tool mark evidence. Next, he searches for an item that might have made the tool marks. What steps should he take with suspected objects he finds? Identify and describe the tool.
Compare the tool mark cast and the comparison cast under a microscope.
Photograph the tool.
Make a comparison cast of the tool.

I got you my mans

Explanation:

Identify and Describe

Photograph

Make a comparison cast

Compare under a microscope

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

this protocol provides a detailed procedure for total protein extraction for western blot analysis from achieved samples following trizol isolation of rna.