MCAT MCAT Word by meaning 042

n. a substance that causes cancer

n. a group of organisms

n. any of the metallic elements having an incomplete inner electron shell

n. being unable to respond to the environment; being unaware of the environment

n. hard structure; made of keratin; found on the back of the fingertips

n. the polypeptide chains of the protein are folded into a round shape

n. a giant molecule made up of repeated units of monomers

n. element that makes up most organic molecules and can form 4 bonds with other atoms

n. collections of bacterial cells

n. all of the energetic reactions that take place in a cell or organism