Miller's reaction chamber contained gases
intended to simulate the atmosphere of the
ancient Earth. Which of the following gases
was NOT included?
a. carbon dioxide
b. methane
c. ammonia
d. water vapor
e. hydrogen gas
A
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Which pattern of diploid and haploid phases reflect the life cycle in animals?
a. alternation between haploid and diploid generations b. two haploid generations followed by a diploid generation c. one haploid generation followed by two diploid generations d. a single generation that limits the haploid state to gametes while the rest of the organism is diploid e. a single generation that limits the diploid state to gametes while the rest of the organism is haploid
Being overweight, sluggish, intolerant of cold, confused, and depressed are symptoms of
a. hyperthyroidism. b. Grave's disease. c. acromegaly. d. hypothyroidism. e. Wilson's disease.
Which fact best supports the hypothesis of one common ancestor for all life?
A) DNA sequences from bacteria can be transferred to plants and other organisms. B) Species in some groups have homologous anatomical structures. C) Embryonic development is similar for all chordates. D) Species in similar geographic locations show structural similarities.
Which of the following cell structures is associated with cellular respiration?
a. Golgi apparatus b. lysomes c. mitochondria d. vacuoles