The process of fertilization produces a/an:
A) blastula. B) zygote. C) embryo. D) morula. E) gastrula.
Answer: B
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The nose, your sensory organ of smell, contains which type of sensory neurons?
A. chemoreceptors B. mechanoreceptors C. baroreceptors D. tactile receptors
Immunosuppressive drugs
A. are only needed during the first week after transplantation. B. are only needed for the first year after transplantation. C. are needed indefinitely after transplantation. D. are needed for transplants between identical twins. E. are needed indefinitely after transplantation AND are needed for transplants between identical twins.
Harry Noller's experiments in which he extracted the ribosomal proteins and found that RNA molecules could catalyze
protein synthesis had one major flaw. What was the flaw?
a. the extraction process may have altered the RNA molecules b. protein synthesis may have occurred prior to extraction c. coenzymes, which were not extracted, might have been responsible for the reaction d. the extraction process may have altered the pH of the environment e. undetectable amounts of protein may have remained
The autonomic subdivision of the vertebrate nervous system would innervate all but which organ?
a. intestinal muscles b. skeletal muscles c. heart d. pancreas e. liver