A bacterium is found that can photosynthesize in the presence of light but uses hydrogen sulfide and releases elemental sulfur as a by-product. This organism can best be classified as a

A. photoautotroph.
B. pathogen.
C. photoheterotroph.
D. chemolithoautotroph.
E. chemoheterotroph.


Answer: C

Biology & Microbiology

You might also like to view...

Photosynthesis takes place in a specialized tissue of the leaf called

A. cuticle B. mesophyll C. stomata D. petiole

Biology & Microbiology

In positional cloning, which method is used to identify clones that are progressively closer to a gene of interest?

A. Chromosome painting B. Cytogenetic mapping C. Microsatellite analysis D. Chromosome walking

Biology & Microbiology

Explain the economic importance of xylem and its associated support tissues

What will be an ideal response?

Biology & Microbiology

Most chemical digestion occurs in the

A) stomach. B) large intestine. C) mouth. D) small intestine. E) esophagus.

Biology & Microbiology