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Virtual Lab 1: Virtual MicroscopyPurpose:Lab Observations:Lab Answers:A. Estimate the size of:1. An E. Coli cell. : 0.5 x 2 micrometers2 A mitochondrion. 0.5 – 10 micrometers3. A Red Blood cell. 6-8 micrometers in diameter4. A hepatitus virus. 28 nanometers in diameter5. A water molecule. 1 nanometer or 10- 9 meters B. […]

Q1. Why can twins resulting from a single fertilized egg exchange blood or receive organ transplants from each other without rejection, as twins resulting from two fertilized eggs sometimes cannot? Q2. You have been injected into the femoral vein? What is the path from the right femoral vein to the […]

Biology Assignment Approximately 700 million people do not have access to clean drinking water. The results affect all aspects of life in developing countries. According to Water.org, a child dies every 90 seconds from a water-related illness and women in some water stressed areas spend several hours every day collecting […]

Question: Scientists can use mutants to study metabolic pathways. These organisms have a mutation in a gene encoding a metabolic pathway enzyme that results in the inactivation of that enzyme. Saccharomyces cerevisiae (a yeast species) mutants are available that grow on fructose, but not glucose. Which of the following glycolytic enzymes […]