Design of an effective ELISA can be challenging because
A. different detection systems have sensitivity that ranges over five orders of magnitude.
B. the number of replicates required for any ELISA is quite high.
C. the anticipated concentration of targets must be estimated in order to determine the sensitivity required of the assay.
D. signal amplification by the assay conditions can impair interpretations.
E. All of the above.
C
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Surgery performed to realign bone fragments is called a(n):
A) open reduction. B) external fixation. C) traction. D) internal fixation.
An amniocentesis is a fetal test of a tiny piece of chorionic villi containing fetal cells, removed from the cervix through a catheter.
Answer the following statement true (T) or false (F)
A semen analysis examines sperm for all of the following EXCEPT:
a. number b. size c. swimming strength d. shape
Which of the following statements is NOT true about the abbreviation ITP?
A. It is related to a low platelet count. B. It is related to an elevated white blood count. C. It is related to a red blood cell count. D. It stands for idiopathic thrombocytopenic purpura. E. None of these are true.