Growing livestock is more easily sustainable than growing crop plants.
a. true
b. false
Answer: b. false
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You have before you a living organism, which you examine carefully. Which of the following should convince you that the organism is acoelomate?
A) It is triploblastic. B) It has bilateral symmetry. C) It possesses sensory structures at its anterior end. D) Muscular activity of its digestive system distorts the body wall.
Which is not a potential problem of allowing the genomic sequences of individuals to become widely available?
A) Discrimination by insurance companies. B) Misinterpretation of the information. C) Misuse of the information for social purposes. D) Advances leading to healthier lives for some people.
The central nervous system contains:a
all sympathetic nerves. b. all parasympathetic nerves. c. all sensory receptors. d. only the cerebrum and cerebellum. e. a brain and a dorsal tubular spinal cord
Which of the following is an example of in vivo gene therapy?
A) Using retroviruses to deliver therapeutic genes directly into a patient B) Pharmacogenomics C) Using retroviruses to deliver therapeutic genes into cultured cells D) Injecting stem cells into a patient E) None of these choices