Gap junctions
A) are slender threads of cytoplasm that link adjacent plant cells.
B) require a lock-and-key fit between a receptor and a message molecule.
C) are found in both animal cells and plant cells.
D) are tiny channels between adjacent animal cells.
D
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Which of the following is a correct statement about cirrocumulus clouds?
A. They are larger than altocumulus clouds. B. They consist of ice crystals. C. They are middle clouds. D. They are so thin that the sun can be seen through them.
In the Public Land Survey System (PLSS), a township labeled T3N, R1W would indicate that it is
A) a one-mile by one-mile tract of land that is three townships north of the nearest base line and one range west of the nearest principal meridian. B) a one-mile by one-mile tract of land that is three townships north of the nearest principal meridian and one range west of the nearest base line. C) a six-mile by six-mile tract of land that is three townships north of the nearest base line and one range west of the nearest principal meridian. D) a six-mile by six-mile tract of land that is three townships north of the nearest principal meridian and one range west of the nearest base line.
Today, any pesticide banned for use and sale in the United States
A) cannot be produced for use anywhere in the world. B) can be produced but cannot be sold (but can be given away) for use elsewhere in the world. C) cannot be produced but can be sold for use elsewhere in the world. D) can be produced and sold to other countries.
Containerization was developed to facilitate long-distance transport by ________ before transferring to trucks and trains
A) truck B) train C) ship D) airplane E) rocket