The nuclear genetic code is considered universal with a few exceptions. Some of these exceptions are found when comparing the nuclear genetic code of humans to what?

A) acterial genetic code
B) human mitochondrial genetic code
C) angiosperm's genetic code
D) phage M2 genetic code
E) chimpanzee's genetic code


Answer: B

Biology & Microbiology

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Variegated four o'clock leaves have white patches among the green areas due to

A) the presence of cells in which most of the mitochondria have a mutation that blocks electron transport. B) the presence of cells in which most of the chloroplasts have a mutation that prevents synthesis of chlorophyll. C) an incompletely penetrant mutation in a nuclear gene that prevents production of chlorophyll. D) a recessive mutation in a nuclear gene that results in a defect in ribosomes.

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Which of the following is the most fatal

genetic disorder in the United States?

a. cystic fibrosis b. Huntington’s disease c. sickle cell anemia d. anhidrotic dysplasia e. fibromyalgia

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The nutrient canal is indicated by

a. A. b. B. c. C. d. D. e. E.

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The first true vaccine provided immunity to

A) anthrax. B) cholera. C) pertussis. D) rabies. E) smallpox.

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