A. Molecule
e.
Mixture
b.
Matter
f.
Atom
c.
Compound
g.
Mass
d.
Volume

1. Amount of matter in an object

2. The smallest building block of matter

_a___ 3. 2 or more atoms combined together

_d___ 4. The amount of space an object occupies

5. Is made of atoms

6. A substance with 2 or more atoms bound together

__e__ 7. A combination of different substances which retain their individual properties

Effect of rotenone and antimycin a on electron transfer rotenone, a toxic natural product from plants, strongly inhibits nadh dehydrogenase of insect and fish mitochondria. antimycin a, a toxic antibiotic, strongly inhibits the oxidation of ubiquinol. (a) explain why rotenone ingestion is lethal to some insect and fish species. (b) explain why antimycin a is a poison. (c) given that rotenone and antimycin a are equally effective in blocking their respective sites in the electron-transfer chain, which would be a more potent poison? explain.