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Joey is studying chemistry and is learning about solutions. He thought that all solutions were the same. He now knows that in addition to solutions that there are colloids and suspensions and that different types of filters can be used to separate the particulate matter from suspensions and colloids. Joey’s […]

NASA has identified a new microbe present on Mars and requests that you determine the genetic code of this organism. To accomplish this goal, you isolate an extract from this microbe that contains all the components necessary for protein synthesis except mRNA. Synthetic mRNAs are added to this extract and […]

DNA Analysis via Gel ElectrophoresisIntroduction: Gel electrophoresis is an important analytical technique in the fields of chemistry and biochemistry. In this virtual experiment, we will explore the process of using gel electrophoresis to analyze DNA samples. 1) What is gel electrophoresis? 2) What is the purpose of using an electrical […]

Case study #1. Cardiac Contractility, dysfunction and pharmacology of cardiac contractility AW, a 69-year-old female with known systolic dysfunction and heart failure, is admitted to the hospital with shortness of breath and nausea. The patient’s cardiac history is notable for previous myocardial infarction, which occurred1.5 years ago. Since her myocardial […]