The anthrax attack of Fall 2001 was accomplished by mailing the agent in ordinary envelopes. This method of delivery took advantage of the ability of Bacillus anthracis to produce (aerosols/endospores/spores).
Fill in the blank(s) with the appropriate word(s).
endospores
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In animals, the egg and sperm cells are:
A. polyploid. B. diploid. C. haploid. D. None of these choices are correct.
Which of the following statements does NOT correctly describe differences between larval and adult tunicates?
A. Larval tunicates have a conspicuous notochord that is lost by the time they become adults. B. Larval tunicates have a hollow dorsal nerve cord that is reduced to only a ganglion in the adult. C. The tail of the larval tunicate is lost by the time it transforms into an adult. D. The pharynx of the larval tunicate becomes more prominent in the adult. E. The larval tunicate lacks an incurrent and excurrent siphon but the adult has both structures.
Continued research involving __________ cells may provide cures for many diseases in the future
Fill in the blank(s) with the appropriate word(s).
A nucleotide contains
A. glycerol and fatty acids. B. a base, sugar, and phosphate group. C. amino acids. D. an acid, base, and salt.