Use a flow diagram to illustrate the flow of genetic information from DNA to protein. Include
appropriate structures, chemical and cellular, as well as processes in your diagram What will be an ideal response?
The flow diagram should resemble Fig. 13-4 with the addition of the role of tRNA as shown in Fig.
13-6.
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Rank the following methods of acquiring oxygen from most to least efficient.
A. fish gills ? avian lungs ? mammalian lungs B. fish gills ? mammalian lungs ? avian lungs C. avian lungs ? mammalian lungs ? fish gills D. avian lungs ? fish gills ? mammalian lungs E. mammalian lungs ? fish gills ? avian lungs
Which process represents a step in the nitrogen cycle?
A) Nitrogen-fixing bacteria convert atmospheric nitrogen to nitrates. B) Nitrites bind to soil particles. C) Nitrogen-fixing bacteria convert atmospheric nitrogen to ammonia. D) Denitrifiers convert ammonium to atmospheric nitrogen.
Your mother has albinism, which is a recessive trait. You learn that your spouse's mother also has albinism. Neither
you nor your spouse have albinism. What are the odds that your first child will have albinism?
a. 0 b. 1/4 c. 1/2 d. 3/4 e. 1
Hormone therapy, if administered early, is effective in treating genetic goitrous cretinism. Indicate whether the statement is true or false