A type of biofuel that comes from algae that resembles alkanes is ________
A) ethanol
B) coal
C) cellulose
D) methane
E) biodiesel
E
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Science is subdivided into specific areas of study termed disciplines. These divisions are artificial but are helpful to narrow the massive scope of scientific knowledge to a manageable amount. Given what you know about each, which scientific division is likely to present the best answer to a question about how fluid dynamics affect blood pressure in mammals?
A. Bioinformatics – use of technology to study and store biological data B. Biochemistry – study of chemical reactions needed for life function, usually at the cellular level. C. Biology – study of life D. Biophysics – study of biological processes through physics
Sea urchins living in the rocky intertidal zone use the following method to overcome wave shock:
a. creating burrows in which they live. b. having a low profile. c. using spines to dissipate the energy of the wave. d. all of the above
During the Calvin-Benson cycle (carbon-fixing reactions), in the red Columbine plant, high-energy electrons are transferred into a newly made 3-carbon compound. Eventually these electrons will end up as part of glucose molecules. What was the original source of these electrons in photosynthesis?
a. glucose b. ATP c. oxygen d. water e. carbon dioxide
Which of the following is NOT involved in nitrogen
fixation? a. breaking triple bonds b. production of NH3 c. production of NO3– d. production of NH4+ e. All of these are involved in nitrogen fixation