Organisms Which Synthesize Organic Compounds Using CO₂ as a Carbon

question 25

Multiple Choice

Organisms which synthesize organic compounds using CO₂ as a carbon source and inorganic chemicals as an energy source are

• A) chemosynthetic heterotrophs.
• B) chemosynthetic autotrophs.
• C) photosynthetic autotrophs.
• D) photosynthetic heterotrophs.
• E) None of the choices are correct.

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Definitions:

Rh-positive

Refers to the presence of the Rh factor on the surface of red blood cells, a common blood group antigen.

Rh-negative

Refers to the absence of the Rh (Rhesus) factor on the surface of red blood cells.

Coagulation

The process of blood turning from a liquid to a gel, forming a clot, which is crucial in preventing excessive bleeding when the vascular system is injured.

Platelets

Small blood cells essential for blood clotting and preventing bleeding.