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MCAT Word by meaning 042

1

n. a substance that causes cancer

2

n. a group of organisms

3

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

4

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

5

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

6

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

7

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

8

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

9

n. collections of bacterial cells

10

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