One application of the knowledge of sugar flow in xylem allows for the collecting of sap from maple trees in the:
A. summer
B. winter
C. fall
D. early spring
E. None of these is correct
D. early spring
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The smallest sub-atomic particle is the ______.
A. ion B. electron C. proton D. isotope E. neutron
Companion cell assisted loading of organic compounds is indicated by letter ____
a. A b. B c. C d. D
e. EGive three differences between DNA and RNA
What will be an ideal response?
When a potted house plant is wilting, the addition of water quickly changes the look of the plant. This can be accounted for by which of the following statements:
a. The water creates a hypertonic environment causing the cells to lose water. b. The water creates a hypotonic environment causing cells to lose water. c. The water creates a hypertonic environment causing the cells to gain water d. The water creates a hypotonic environment causing the cells to gain water