PCAT PCAT Word by meaning 117

n. a chemical used to kill insects?

adj. a substance that destroys bacteria?

n. atoms of the same element with the same number of protons, different numbers of neutrons and therefore different mass numbers?

n. lipid and protein coat which forms part of the plasma membrane in animal cells

v. to bring back to life

n. protein that contains iron and acts as an electron and hydrogen acceptor for cellular energy processes

n. members in groups 1 and 11 of the periodic table

n. a sick feeling; wanting to vomit?

n. chamber of the heart?

n. light-sensitive cells lining the eye?