A physician finds that one of his patients has the following problems: Blood clots very slowly or not at all, and severe bruises result from even the most minor bumps
Which one of the following conditions would likely be diagnosed based on this information? A) polycythemia
B) hemophilia
C) AIDS
D) anemia
E) mononucleosis
B
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You have just received an A+ on your math
exam and you are feeling great about it! The neurotransmitter causing this effect is
a. acetylcholine. b. epinephrine. c. an endorphin. d. serotonin. e. possibly more than one of these
Electrical signals are converted into chemical signals at the end of a(n) _____
a. neuroglial cell b. muscle cell c. microvillus d. neuron cell body e. axon
Recombinant DNA technology does not rely on which of the following enzymes?
A. DNA ligase B. RNA methylase C. Reverse transcriptase D. Restriction endonucleases
Which of the following is not a transition in information?
a. trial-and-error learning c. epigenetic tagging b. RNA replaced by DNA d. positional cues in development