The fluid that moves around in the circulatory system of a typical arthropod is _____
A) digestive juices
B) hemolymph
C) blood plasma
D) cytosol
Answer: B
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Which major tissue category has cells that can contract?
a. epithelium b. connective tissue c. muscle tissue d. nervous tissue e. adipose tissue
Human genetics can be most effectively studied using:a
offspring raised under controlled conditions. b. experimental matings between true-breeding strains. c. controlled matings. d. population studies of large extended families. e. population studies of small extended families.
Which of the following would inhibit binary fission in protists, but not in bacteria?
A. Blocking spindle function B. Blocking RNA synthesis C. Blocking ribosome function D. Blocking DNA replication
Which of the following statements regarding the demonstration of the etiology of disease is FALSE?
A. The suspect agent must be present in all cases of the disease. B. The suspect agent must cause the disease under investigation when introduced into a susceptible host organism. C. The suspect agent must be isolated and cultured in the laboratory. D. It must be possible to re-isolate the suspect agent from the infected experimental host. E. The suspect agent must be the only potential pathogen present in disease cases.