A pharmaceutical company is developing a new drug to treat a rare disease. They need to determine which of the cell's proteins can bind the drug. What tool can help them survey the proteome for drug interactions?
A. DNA microarray
B. protein microarray
C. SAGE
D. using a monoclonal antibody
E. ENCODE
Answer: B
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Atomic isotopes
a. are electrically unbalanced. b. behave the same chemically and physically but differ biologically from other isotopes. c. are the same physically and biologically but differ from other isotopes chemically. d. have varying numbers of neutrons. e. are produced when substances are exposed to radiation
Homo erectus existed until approximately:a
5,000 years ago. b. 10,000 years ago. c. 100,000 years ago. d. 200,000 years ago. e. 1,500,000 years ago.
A 45-year-old man has pus-filled vesicles distributed over his back in the upper right quadrant, over his right shoulder, and upper right quadrant of his chest. His symptoms are most likely due to
A) Candida albicans. B) herpes simplex virus. C) Staphylococcus aureus. D) Streptococcus pyogenes. E) varicella-zoster virus.
Carl Woese proposed the concept of the domain based on differences of which of the following cellular molecules?
A. transfer RNA B. membrane lipids C. ribosomal RNA D. DNA E. proteins