Specialized epithelial cells called ____________________ secrete substances that function outside the cell. Fill in the blank(s) with the appropriate word(s)
ANSWER: gland cells
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In which of the following is primary productivity highest?
A. tropical forests B. prairies C. cool deserts D. hot deserts E. the Arctic
During diffusion how will the particles of a solution move?
a. The solutes will move from a high concentration to a low concentration. b. The solutes will move toward the left side of the membrane. c. The solutes will move from a low concentration to a high concentration. d. The solutes will move toward the right side of the membrane.
An advantage of our scientific naming system is that
A.) biologists can communicate regardless of their native languages B.) common names mean the same in all countries C.) Latin names are easy to pronounce D.) organisms all have the same scientific name
If the Calvin cycle were to be temporarily restricted, the highest concentration of NADPH would likely be in the
A. chloroplast outer membrane. B. stroma. C. thylakoid membrane. D. thylakoid space.