Which of the following models for RNA polymerase II transcription termination is analogous to ?-dependent termination in bacteria?
A. the antiterminator model
B. the submarine model
C. the torpedo model
D. the allosteric model
E. the hairpin model
C
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When the Bicoid protein is expressed in Drosophila, the embryo is still syncytial (divisions between cells are not yet fully developed). This information helps to explain which observation by Nüsslein-Volhard and Wieschaus?
A) mRNA from the egg is translated into the Bicoid protein. B) Bicoid protein diffuses throughout the embryo in a concentration gradient. C) Bicoid protein serves as a transcription regulator. D) Bicoid protein determines the dorsoventral axis of the embryo.
As the RNA polymerase moves along the DNA strand during transcription it will move from the ________ direction. a. 5' to 3' b. The direction of movement is completely random
c. 3' to 3' d. 5' to 5' e. 3' to 5'
Which of the following would a scientist use during the entire process of conducting an experiment?
a. descriptive reasoning and inductive reasoning b. descriptive reasoning and deductive reasoning c. deductive reasoning and inductive reasoning d. only deductive reasoning
Genetics is defined as the scientific study of ____
a. diseases b. DNA c. heredity
d. chromosome structure e. cell structure