Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

IN 1937 Kuhn and Desnuelle 1 prepared a highly purified specimen of Warburg's yellow enzyme, and as evidence of purity they pointed out that when ammonium sulphate was added to the solution the yellow ...

Students will be able to plan and carry out an investigation to compare the solubility of different substances, and develop and explain a particle-level model to describe the process of dissolving.

The present invention provides a novel test method (Sickle Confirm) to differentiate sickle cell anemia from sickle cell trait for potential use in developing countries. The test can be performed ...

Turmeric, known for its flavor and health benefits, is often adulterated with substances like starch and artificial colors. Several methods, such as the water solubility test, cloth test, vinegar test ...