Cell-mediated immunity is associated with
a. "killer" T cells.
b. dendritic cells.
c. helper T cells.
d. B cells.
e. phagocytes.
A
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Most of the water taken up by a plant is _____
A) used as a solvent B) used as a hydrogen source in photosynthesis C) lost during transpiration D) converted to carbon dioxide E) used to keep cells turgid
Use the following study to answer the following question(s): A current trend among professional baseball players is to wear braided titanium necklaces. The titanium reportedly regulates the flow of energy through the body. The player wearing the necklace then shows improved strength, tires less, and recovers more quickly.What should one do if the results of an experiment consistently do not support the original hypothesis?
A. Change the hypothesis to match the results. B. Accept the original hypothesis. C. Reject the original hypothesis and formulate a new hypothesis. D. Change the results to match the hypothesis.
Animals apparently evolved:a
in freshwater. b. in the ocean. c. during the Cambrian explosion. d. in swamps. e. during the Devonian.
Precancerous growths in the colon are known as ________; these can usually be removed surgically
Fill in the blank(s) with correct word