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.
B
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Fungi generally digest large organic molecules
a. in special compartments called arbuscules. b. within feeding hyphae. c. in visible mushrooms. d. in special compartments called haustoria. e. outside of their cells.
Which of the following structural components
is NOT a part of a bacteriophage?
a. protein coat b. DNA c. viral envelope d. all of these ARE parts of a bacteriophage e. more than one of these is NOT a part of a bacteriophage
The process of converting nitrogen gas to ammonium is called
A) biogeochemical processing. B) sublimation. C) nitrogen fixation. D) evaporation. E) nitrification.
List three examples of animal cognition and give details explaining each.
What will be an ideal response?