1. The ability to acquire, store, transfer, or utilize energy is called
a. biochemistry.
b. photosynthesis.
c. metabolism.
d. respiration.
e. phosphorylation.
2. Which is the smallest unit of life that can exist as a separate entity?
a. a cell
b. a molecule
c. an organ
d. a population
e. an ecosystem
3. Which of the following might be defined as "the physical and biological components living in the same limited type of environment "
a. ecosystem
b. community
c. biosphere
d. organism
e. population
4. If the atomic weights of carbon, oxygen and hydrogen are 12, 16, and 1 respectively, the gram molecular weight of glucose C6H12O6 expressed in grams is
a. 24 grams.
b. 28 grams.
c. 52 grams.
d. 168 grams.
e. 180 grams.
5. A salt will dissolve in water to form
a. acids.
b. gases.
c. ions.
d. bases.
e. polar solvents.