What kinds of information about the atomic structure of an element can you learn from the periodic table?

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

You are observing different types of cells in your science lab. one cell has many chloroplasts. what is the most likely function of this cell? a. energy production b. photosynthesis c. reproduction d. digestion

Which describes a group of organisms that is considered a species