Which of the following are molecular mediators of inflammation?
A) chemokines
B) cytokines
C) erythrocytes
D) both chemokines and cytokines
Answer: D
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If you want a plant to grow very large, which hormones might you want to treat it with? Check all that apply.
_____ Abscisic acid. _____ Gibberellins. _____ Brassinosteriods. _____ Cytokinins.
Which of the following statements is false?
a. Xylem vessels are similar to drinking straws. b. The transport of water in xylem is due to positive pressure generated by the root. c. The stomata of most plants close at night. d. Water is drawn up to the top of a tree by the pull of transpiration. e. Plants absorb the majority of needed elements from water and soil.
Worldwide human population growth has been exponential since the Industrial Revolution.
Answer the following statement true (T) or false (F)
During photosynthesis, ATP molecules are generated by:
A. light striking the chlorophyll molecules B. the Calvin cycle C. the splitting of water D. chemiosmosis