Insulin production is regulated by a positive feedback loop that helps maintain healthy blood sugar levels
Indicate whether the statement is true or false
FALSE
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Which of the following features of DNA organization do eukaryotes and bacteria have in common (select all correct choices)?
A. DNA is associated with basic proteins. B. DNA is found within a 30 nm filament. C. DNA breakage in one loop will not affect DNA in other loops. D. A change of supercoiling in a cleaved loop would not affect other loops. E. Under electron microscope, DNA will have a beads-on-a-string appearance.
Self-reactive B cells are removed during embryonic development in the bone marrow through a process referred to as ________ selection.
A. ablative B. positive C. negative D. clonal
In the clinical laboratory, which of the following is (are) used as a rapid method of identification?
A. Mechanized/automated systems B. Immunologic systems C. Manual biochemical kit systems D. All of the choices are correct.
The amino acid targets of protein kinases in all GPCR pathways are ____
a. serine and glycine b. serine and tyrosine c. serine and threonine d. glycine and tyrosine e. glycine and threonine