You are growing Bacillus subtilis, an aerobic bacterium that can also carry out fermentation when required, in a bioreactor and notice that the growth rate has slowed and the pH has decreased. You suspect the bacteria are
A) using the Krebs cycle.
B) fermenting.
C) photosynthesizing.
D) using proteins.
E) dead.
B
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The phrase "Modern Synthesis" refers to:
A. the synthesis of Darwin's ideas about evolution with Malthus' ideas about population growth. B. the synthesis of Darwin's and Wallace's independently developed ideas about natural selection and adaptation. C. the synthesis of Darwin's ideas about natural selection and Mendelian genetics. D. the synthesis of Darwin's ideas about natural selection and modern DNA sequencing technology. E. all of the answer options are correct.
Hereditary information in all eukaryotes, prokaryotes, and viruses is stored in ____
a. proteins b. lipids c. nucleic acids d. carbohydrates e. amino acids
The macroalgae are commonly known as:
a. seagrasses. b. seaweeds. c. kelps. d. higher plants. e. phytoplankton.
The use-dependent decrease in the ability of a muscle to generate force is called _____.
A. tetanus B. aerobic fitness C. fatigue D. endurance