A human gene is composed of numerous fragments of protein-encoding information known as ________.
A. DNA
B. exons
C. introns
D. mRNA
Answer: B
You might also like to view...
The global patterns of atmospheric circulation and precipitation occur because of
A. the cooling of the land. B. rising masses of warm air and sinking masses of cool air. C. the greenhouse effect. D. global differentials in sea surface temperature. E. winds blowing off of the world's major mountain chains.
Bacteria living in a freshwater stream that are transferred to ocean water would
A. be in a hypotonic solution. B. be in an isotonic solution. C. become dehydrated due to the loss of water. D. gain water.
Describe the steps required for a plant to take up minerals from the environment.
What will be an ideal response?
A component of the plasma membrane that helps to maintain its fluidity is:
A) cholesterol. B) nucleic acid. C) protein. D) the phospholipid bilayer. E) carbohydrate.