Engineering, 20.11.2019 23:31 arulanreddy3754
The flashlight fish has an organ under its eye that emits light, which startles predators, attracts prey, and allows the fish to communicate with other fish. some species can rotate the organ, so the light appears to flash on and off. the light is actually emitted by bacteria that live in the organ in a mutualistic relationship with the fish. (the bacteria receive nutrients from the fish.) the bacteria must multiply until they reach a certain density in the organ, at which point they all begin emitting light at the same time. there is a group of six or so genes, called lux genes, whose gene products are necessary for light formation. given that these bacterial genes are regulated together, propose a hypothesis for how the genes are organized and regulated.
Answers: 1
Engineering, 03.07.2019 14:10, volleyballfun24
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
Engineering, 04.07.2019 16:10, TheOriginalMeyah
An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)
Answers: 2
Engineering, 04.07.2019 18:10, niyawilliams23
Asingle-geared blanking press has a stroke of 200 mm and a rated capacity of 320 kn. a cam driven ram is assumed to be capable of delivering the full press load at constant force during the last 15 percent of a constant-velocity stroke. the camshaft has an average speed of 90 rev/min and is geared to the flywheel shaft at a 6: 1 ratio. the total work done is to include an allowance of 16 percent for friction a) estimate the maximum energy fluctuation b) find the rim weight for an effective diameter of 1.2 m and a coefficient of speed fluctuation of 0.10
Answers: 1
The flashlight fish has an organ under its eye that emits light, which startles predators, attracts...
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