A microbiologist is conducting a research project on chemolithoautotrophs.This means that the investigator is examining certain aspects of a bacterium that
A)can oxidize inorganic molecules such as ammonia and sulfur for energy.
B)is a purple nonsulfur bacteria which depends on light.
C)obtains carbon from organic molecules.
D)can use the energy from sunlight to build organic molecules from carbon dioxide.
E)uses light as its energy source and carbon for organic compounds.

Question

Quizplus · Accepted Answer

Chemolithoautotrophs are organisms that obtain energy from the oxidation of inorganic molecules and use carbon dioxide as their carbon source. Therefore, option A is the best choice as it describes this characteristic of chemolithoautotrophs.

A Microbiologist Is Conducting a Research Project on Chemolithoautotrophs