Isoelectric focusing ________.
A. directly reveals the identity of unknown proteins in a complex mixture
B. focuses the data gathered onto a specific protein or ORF
C. separates proteins based on their size and shape
D. separates proteins based on the pH at which they are electrically neutral
Answer: D
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If two different species of fish fossils were found in two different layers of sedimentary rock, what might one infer about the specimens?
A. The species in lower layer died first B. They died at the same time C. The species in the higher layer evolved from the species in the lower layer D. The species in the higher layer died first E. The two species are unrelated
Presently, the replacement fertility rate in developed countries is ____
a. 2.0 b. 2.1 c. 2.4 d. 2.6 e. 2.8
Why is chlamydia much more common than syphilis?
A. Many chlamydia infections are asymptomatic. B. Syphilis can penetrate a condom whereas chlamydia cannot. C. Chlamydia is viral, and viral diseases spread much quicker. D. Chlamydia is spread via droplet inhalation. E. Chlamydia is resistant to most antibiotics.
As a patient, you should ________
A) not have a primary health care provider B) develop health literacy C) never ask questions D) accept all the decisions that medical professionals make