During the initiation step of transcription, which molecule binds the promoter region of a DNA molecule?
A) DNA polymerase
B) Reverse transcriptase
C) RNA polymerase
D) DNA primase
E) Topoisomerase
C
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Which of the following represents the proper order of events in embryonic development?
A. fertilization, gastrulation, neurulation, cleavage, organogenesis B. fertilization, cleavage, gastrulation, organogenesis, neurulation C. fertilization, cleavage, gastrulation, neurulation, organogenesis D. fertilization, gastrulation, cleavage, neurulation, organogenesis E. fertilization, gastrulation, cleavage, organogenesis, neurulation
Passage of Vibrio cholerae through the human body results in reduced infectivity for the next human host.
Answer the following statement true (T) or false (F)
Leaky-barrel model
What will be an ideal response?
A relationship in which both members benefit is called
A. parasitism. B. predation. C. mutualism. D. sympatric. E. commensalism.