Which of the following is a synthetic protein produced from engineered DNA that is used to determine whether cytosolic calcium fluxes are associated with signal transduction in a particular cell type?
A) sildenafil
B) ionomycin
C) A23187
D) fura-2
E) a cameleons
Answer: E
You might also like to view...
In the context of the scientific method, the words theory and hypothesis can be used interchangeably
A. true B. false
Which of the following statements about methyl-directed mismatch repair systems is FALSE?
A. Methyl-directed mismatch repair systems require the concerted actions of several proteins. B. Methyl-directed mismatch repair systems require exonucleases. C. Methyl-directed mismatch repair systems are most often used to correct pyrimidine dimers. D. Methyl-directed mismatch repair systems exist in all species. E. Methyl-directed mismatch repair systems require incorrectly matched base pairs in the DNA.
How often must the competency of laboratory staff be evaluated
A. After 6 months of employment and annually thereafter B. Anually C. Every three months for the 1st year and anually thereafter D. in the first three months after hire
The mitochondria of a eukaryotic cell is the site of
a. photosynthesis b. fatty acid metabolism c. cellular respiration d. protein synthesis