Which of the following is true of cytokines?
A) They are lipoproteins.
B) They are produced by one cell but alter the function of another.
C) both a and b
D) neither a nor b
B
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Magnetic striping occurs at which type of plate boundary?
a. oceanic-continental convergent b. continental-continental convergent c. divergent d. transform e. oceanic-oceanic convergent
Everything about a formal region is the same throughout the region
Indicate whether the statement is true or false.
Wood-frame buildings sustained damage in the San Fernando earthquake:
a. because of their rigid behavior b. when they were adjacent to areas of ground rupture c. because of inadequate lateral bracing d. wood-frame buildings rarely sustained damage in the earthquake
All of the following are characteristics of waves except __________
a) crests b) troughs c) oscillating patterns d) shoals