Given the distribution of charges shown in this water molecule, why is it called "polar"?

Which of the following claims does the author support the least

Match the examples to the correct level of organization. 1. system level roses, snakes, puppies 2. organism level roots, stamens, leaves 3. tissue level bone, cartilage, blood 4. organ level heart, veins, arteries

If the nucleus of a cell was removed the cell wouldn’t be able to make proteins because