A chameleon extends its tongue to capture a tasty insect. the chameleons tongue accelerates at 33m/s^2 for 0.12s to make the capture. what is the speed of the chameleons tongue when it grabs the insect?

Which device uses ac current to operate?

One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?

Describe the function of the endomembrane system? what organelles are involved?