Bacteria; which derive energy by oxidizing certain inorganic compounds, are said to beA. ChemosyntheticB. HolozoicC. ParasiticD. PhotosyntheticE. Saprophytic
Question
Bacteria; which derive energy by oxidizing certain inorganic compounds, are said to be
A. Chemosynthetic
B. Holozoic
C. Parasitic
D. Photosynthetic
E. Saprophytic
Solution
The correct answer is A. Chemosynthetic.
Here's why:
Chemosynthetic bacteria are organisms that use inorganic molecules as a source of energy and convert them into organic substances. Chemosynthesis is the process by which these organisms manufacture food using chemicals as an energy source, as opposed to photosynthesis, which uses sunlight.
Holozoic organisms are those that feed on solid organic substances, which are then digested and broken down to simpler substances inside the body.
Parasitic organisms are those that live on or in a host organism and get food from or at the expense of their host.
Photosynthetic organisms are those that carry out photosynthesis, a process that converts carbon dioxide into organic compounds, especially sugars, using the energy from sunlight.
Saprophytic organisms are those that feed on dead and decaying organic matter.
Therefore, bacteria that derive energy by oxidizing certain inorganic compounds are said to be Chemosynthetic.
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