Which of the following general transcription factor phosphorylates the C-terminal domain of RNA Pol II?
A. TFIID
B. TFIIA
C. TFIIH
D. TFIIF
C
Biology & Microbiology
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Blood found at crime scenes is commonly used as a source of DNA. Which component of blood provides the DNA?
1.red blood cells 2.white blood cells 3.plasma 4.all of the choices
Biology & Microbiology
Pathogens can use ____ mechanisms to change the host DNA, for example, to change patterns of transcription by the process of methylation
a. pathogenic b. epigenetic c. mutagenic d. enzymatic
Biology & Microbiology
In flowering plants the small male gametophyte plants are known as
A. spores. B. stamens. C. seeds. D. pollen.
Biology & Microbiology
What is the function of sex pili in prokaryotes?
a. biofilm formation b. transfer of DNA c. protein polymerization d. energy production e. lipid synthesis
Biology & Microbiology