Agenetic form of "night blindness" (i. e. poor vision in dim light) is caused by mutations in genes encoding rhodopsin kinase (rk) and arrestin. the mutations reduce the dynamic range of light perception, and the affected individuals have a prolonged light response and adapt very slowly to low light (when entering a dark theater room, for example). which of the following mutations do you expect to be the cause? a. loss-of-function rk mutations and loss-of-function arrestin mutations b. loss-of-function rk mutations and gain-of-function arrestin mutations c. gain-of-function rk mutations and loss-of-function arrestin mutations d. gain-of-function rk mutations and gain-of-function arrestin mutations
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Biology, 21.06.2019 15:40
Aneuron is stimulated with an electric pulse. the action potential is detected at a point 3.70 cm down the axon 0.0052 s later.when the action potential is detected 7.20 cm from the point of stimulation, the time required is 0.0063 s. what is the speed of the electric pulse along the axon? (why are two measurements needed instead of only one? )
Answers: 2
Biology, 21.06.2019 16:40
Hemoglobin is the compound in red blood cells that carries oxygen to the body. the distribution of hemoglobin in women in g/dl of blood is approximately normally distributed with mean 14 and standard deviation 1. too little hemoglobin, and you're anemic. 2. too much, and (unless you live at high altitudes), you can have other problems.
Answers: 3
Biology, 22.06.2019 02:00
How is the national wildlife refuge system similar to the pacific region coastal program? a. both programs are concerned with providing habitats for wildlife b. both programs are primarily concerned with preserving fish species c. both programs have set aside 150 million acres of land d. both programs are under the u.s. fish and wildlife service
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Agenetic form of "night blindness" (i. e. poor vision in dim light) is caused by mutations in genes...
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