Peaceful uses of nuclear power may eventually be limited by:
A) the risk of criminal or terrorist activities, including theft of fissionable material.
B) the risk of catastrophic accidents, such as the events in Chernobyl, Ukraine, in 1986.
C) the problem of finding a continued source of nuclear fuels.
D) the problem of disposing of nuclear wastes.
Ans: D) the problem of disposing of nuclear wastes.
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The reason to use lacZ in the creation of a fusion gene for studying gene expression is:
A. the lacZ gene product binds to the activator domain increasing gene expression. B. the lacZ gene product is easily measured. C. the lacZ gene product interferes with the DNA binding domains of repressor proteins. D. the lacZ gene product will form a leucine zipper with the other domain of the fusion gene product.
Transformed cells contain
a. transformants. b. new genes. c. bacteria. d. none of these choices.
Metastatic tumors:a
are examples of neoplasms. b. contain cells tightly controlled by the cell cycle. c. contain nondividing cells. d. are caused by the normal expression of homeotic genes. e. are localized in one part of the body.
The amount of energy contained in a particular food is measured in ________
Fill in the blank(s) with correct word