A student is looking at a single-celled organism under a microscope. The presence of which structure would indicate that the cell is eukaryotic? Choose 1 (Choice A) A DNA (Choice B) B Nucleus (Choice C) C Cell membrane (Choice D) D Cytosol

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

Aperson stands on a platform, initially at rest, that can rotate freely without friction. the moment of inertia of the person plus the platform is ip. the person holds a spinning bicycle wheel with its axis horizontal. the wheel has moment of inertia iw and angular velocity ωw. take the ωw direction counterclockwise when viewed from above. part a what will be the angular velocity ωp of the platform if the person moves the axis of the wheel so that it points vertically upward?

A100-watt light bulb illuminates a solar cell. the electricity from the solar cell operates a water pump that delivers 1 watt of power. what is the efficiency of the system?