Which of the following is not true about the role of Mediator complex in transcription initiation?
A. Mediator binds to RNA polymerase II.
B. Mediator binds to upstream enhancer sequences.
C. Mediator binds to general transcription factors.
D. Mediator binds to transcription activators.
E. Mediator increases the rate of the assembly of the preinitiation complex.
B
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The only fungi to produce cells with flagella are:
A. chytrids B. choanflagellates C. yeasts D. conidia E. bread molds
Inhibitors of protein synthesis typically key on
A. peptidoglycan precursors. B. penicillin-binding proteins. C. ribosomes. D. porin proteins.
Which of the following describes homeostasis?
a. Maintaining constant internal conditions b. Capturing energy for metabolic functions c. Inhabiting the same specific environment d. Duplicating and distributing chromosomes
Which of the following is NOT true about
cyanobacteria? a. Cyanobacteria have the same lightcapturing chlorophylls as plants. b. Chloroplasts evolved from ancient cyanobacteria. c. Cyanobacteria can fix carbon. d. Cyanobacteria can fix nitrogen. e. Cyanobacteria put nearly all of the nitrogen into Earth’s atmosphere