Sketch a molecule of water showing the charges on the molecule?

Below, the levels of organization in a multicellular organism are shown from least to most complex. which level of organization can be described as several different types of tissues working together to perform a common task?

When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these