Describe the binding of RNA polymerase, repressors, and activators to the lac operon when both lactose and glucose are scarce. What is the effect of these scarcities on transcription of the lac operon?
5.1 - Light travels through empty space at a speed of 300,000 km/s Speed of light in a vacuum (space devoid of matter) is usually designated by the letter c 5 8 c = 3.00 x 10 km/s = 3.00 x 10 m/s Nothing can travel faster than the speed of light 5.2 - Light is electromagnetic radiation and is characterized by its wavelength Spectrum: rainbow made of a beam of sunlight passing through a glass prism Newton concluded that a prism merely separates colors, doesn’t change them Sunlight is a mixture of all the colors of the rainbow Discovery of the wave nature led to the concept of a field Field: immaterial yet measurable disturbance of any region of space in which electric or magneti
