How many mutations do benign tumors have?
A. 1
B. 3
C. 4 or more
Answer: B. 3
Biology & Microbiology
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Organisms that grow in the mud under relatively nonturbulent bodies of water are likely to be
A. obligate aerobes. B. thermophilic. C. anaerobes. D. barophilic.
Biology & Microbiology
Which of the following provides energy for many chemoautotrophs at the bottom of the ocean?
a. hydrogen sulfide from hydrothermal vents b. ATP converted from sunlight c. macromolecules from living organisms d. nutrients from algae and bacteria
Biology & Microbiology
Phospholipids have both a hydrophilic and a hydrophobic region
a. true b. false
Biology & Microbiology
Insulin
A. is used to treat type 1 diabetes. B. is produced by the pancreas. C. is secreted by islets of Langerhans. D. levels increase after eating foods high in carbohydrates. E. All of the answer choices are correct.
Biology & Microbiology