Which of the following is an organism that obtains its energy from the transfer of electrons originating from chemical compounds and its carbon from an inorganic source?
?A. chemoautotroph
?B. chemoheterotroph
?C. photoheterotroph
??D. photoautotroph
Answer: ?A. chemoautotroph
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The primary plant organ for conducting photosynthesis is the
A. stoma. B. chlorophyll. C. leaf. D. bark. E. stem.
As pyruvate is prepared for the citric acid cycle, it undergoes a process of
A) reductive carboxylation. B) oxidative decarboxylation. C) oxidative carboxylation. D) reductive decarboxylation. E) substrate level phosphorylation.
________ immunity deals with microbes circulating in your bloodstream, whereas ________ immunity deals with microbes hiding within body cells
Fill in the blank(s) with correct word
The large central vacuole of plants:
A) produces proteins. B) allows the plant to produce its own food. C) replaces the nucleus. D) may make up as much as 90 percent of the internal volume of the cell.