Carbohydrates, the most abundant biomolecule on earth, are produced by:
Correct answer: A. Some bacteria, algae and green plant cells
- A. Some bacteria, algae and green plant cells
- B. Fungi, algae and green plant cells
- C. All bacteria, fungi and algae
- D. Viruses, fungi and bacteria.
Explanation
Carbohydrates are organic compounds synthesized in the chlorophyll-containing cells of some bacteria, algae, and green plant cells, during photosynthesis. Certain photoautotrophic bacteria e.g., Green sulfur bacteria, and purple sulfur bacteria contain pigments like Chlorobium chlorophyll and bacteriochlorophyll respectively that helps them in photosynthesis.
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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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