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1) According to the National Institutes of Health (2015), 8 out of 10 Americans will be affected with back pain and spent at least $50 billion each year on low back pain treatments and therapies. Low back pain is a common reason for patient office visits with some studies stating […]

Directions: In this module, you learned about body size and temperature regulation strategies. Scientists have argued for many years about whether dinosaurs were warm- or cold-blooded, with most recent findings supporting warm-blooded. Compare what you know about the Earth’s temperatures now versus then (65 million years ago) and to the […]

Lab – Spectrophotometry for the qualitative and quantitative measurement of biochemical compounds OBJECTIVES: At the conclusion of this unit the student will be expected to: Apply the principles of spectrophotometry to the qualitative and quantitative measurement of biochemical compounds. LABORATORY SEQUENCE: 1. Pre-lab discussion on the program for the session […]

Each wavelength corresponds to a different (spectral) color; thus, there are an infinite number of colors between 400 nm and 700 nm, our visual range. Furthermore, most objects have colors which are mixtures of different spectral colors – for example, purple results from a mixture of red and blue light. […]