What represents the most basic level of chemical organization?
a. cell
b. atom
c. tissue
d. molecule
e. organism
b
You might also like to view...
Lactose, a sugar in milk, is composed of one glucose molecule joined by a glycosidic linkage to one galactose molecule. How is lactose classified?
A) as a pentose B) as a hexose C) as a monosaccharide D) as a disaccharide E) as a polysaccharide
In the figure above, which label identifies the structure where the vibrations of the oval window pass?
a. 1 b. 2 c. 3 d. 5 e. 7
Energy ____ in an ecosystem and nutrients ____
a. is cycled continuously; flow one way b. flows in all directions; flow one way c. flows two ways; flow one way d. is cycled continuously; are cycled continuously e. flows one way; are cycled continuously
Which of the following is an example of antiport?
-simultaneous movement of an amino acid and protons into the cell -simultaneous movement of an amino acid and protons out of the cell -coupling of the inward movement of water with the outward movement of protons -coupling of the inward movement of Na+ with the outward movement of Ca++ -none of the choices are correct.