____________________ are open channels that connect the cytoplasm of abutting cells and permit rapid transfer of
ions and small molecules between them. Fill in the blank(s) with the appropriate word(s).
ANSWER: Gap junctions
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What is an area of the Earth's surface currently undergoing primary succession?
A. Volcanoes in Hawaii. B. Behind retreating glaciers in Canada and Alaska. C. Volcanoes in Iceland. D. The area around Mount St. Helens in Oregon. E. All of the answers are correct.
Restoration ecology is similar, at least in part, to stewardship and management. However, the main distinction that sets restoration ecology apart from stewardship and management is
A. that humans are a part of the system. B. direct human intervention for a predetermined end. C. a philosophy that nature will heal without intervention. D. the use of modern technological tools such as geographic information systems. E. a philosophy that humans will not be able to "fix" a system.
N is equal to the initial carrying capacity at
a. A. b. B. c. C. d. D. e. E.
Human cells that have completed telophase I will each contain ________ chromosomes, which will be in a(n) ________ form
A) 46; replicated B) 46; unreplicated C) 23; replicated D) 23; unreplicated