The nitrogenous base uracil pairs with
A) adenine. B) uracil. C) cytosine. D) guanine. E) thymine.
A
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How are termite-related protists and aphid-related proteobacteria similar?
A. Both are types of endosymbiotic bacteria. B. Both are parasites to their respective hosts. C. Both are protozoans that live within insect hosts. D. Both are mutualists with their respective hosts.
Which lineage includes two species of coelacanths and six species of lungfish among its living members?
a. Actinopterygii b. Myxinoidea c. Petromyzontoidea d. Sarcopterygii
Organisms with a cell wall cannot carry out
A. diffusion. B. osmosis. C. active transport. D. endocytosis. E. exocytosis.
Antibacterial drugs can:
a) Inhibit cell wall synthesis. b) Inhibit bacterial protein synthesis. c) Inhibit bacterial transcription. d) Perform all of the above tasks.