Which of the following statements about plants grown in hydroponic culture is true?
A. They no longer need to transport water through their xylem.
B. They cannot be used for commercial purposes.
C. They rarely get enough micronutrients.
D. They are unable to photosynthesize.
E. They are suspended with their roots in a nutrient solution.
E. They are suspended with their roots in a nutrient solution.
In hydroponic cultures, plants are grown with their roots suspended in aerated water containing nutrients.
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A. septicemia B. viremia C. toxemia D. bacteremia
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a. The bacteria had incorporated radioactive proteins into their cell membranes. b. The virus particles had incorporated radioactive proteins from the bacterial DNA. c. The bacteria had incorporated radioactive DNA. d. The bacteria had incorpo
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Indicate whether the statement is true or false
Brad placed a drop of blood in some distilled water. What happened in the red blood cells?
A. The cells burst. B. The cells did not change. C. The cells shrunk. D. The cells divided into two identical cells. E. The cellular metabolism increased in rate.