Which vitamin functions in forming blood clots?
a. A
b. E
c. K
d. B
e. none of these
Answer: c
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Which of the following statements regarding Fas-mediated programmed cell death is false?
A) Fas ligand binding with Fas receptor stimulates a specific G protein. B) Fas ligand and receptor interaction results in the recruitment of adaptor proteins in the target cell. C) Capases are activated in the process. D) The caspase cascade results in the cleavage of the proteins within the target cell. E) It ultimately results in death of the cell.
Cancer is ________.
A. what happens when cells get old B. cells with proto-oncogene activated C. uncontrolled cell growth D. any tumor in the body
A lichen results from the mutualistic relationship between fungi and which of the following?
A) cyanobacteria or algae B) green plants C) heterotrophic bacteria D) protozoans
In DNA transcription, a promoter is _____.
A) a start signal B) a DNA base sequence C) the location that binds RNA polymerase D) all of the choices