Which of the following conditions is required for the continued movement of water from the soil into and through a plant via transpiration?
A) ?atm < ?root < ?leaf < ?soil
B) ?atm < ?leaf < ?root < ?soil
C) ?soil < ?root < ?leaf < ?atm
D) ?soil < ?atm < ?root < ?leaf
B
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Campylobacter infections are the MOST common foodborne infections in the United States
Indicate whether the statement is true or false.
Zebrafish embryos change the color of the melanophore cells in their skin to a darker shade:
A. by dynein motor proteins moving pigment granules outward from the center of the cell. B. by kinesin motor proteins moving pigment granules outward from the center of the cell. C. by dynein motor proteins moving pigment granules inward toward the center of the cell. D. by kinesin motor proteins moving pigment granules inward toward the center of the cell. E. by dynein motor proteins moving pigment granules inward toward the plus end of microtubules.
Terminal buds release a hormone that inhibits the growth of nearby lateral buds
a. True b. False
What is meant by the term antiparallel, when applied to DNA structure?
a. The 5' end of one strand is directly paired with the 5' end of the other strand. b. The double helix twists; it is not perfectly parallel. c. The 5' end of one strand is directly paired with the 3' end of the other strand. d. One strand has a negative charge, and the other strand has a positive charge.