Examples of Rhodophytes are___________?
Correct answer: C. Both of these
- A. Chondrus
- B. Polysiphonia
- C. Both of these
- D. Pinnularia
Explanation
Chondrus and Polysiphonia are both red algae, or rhodophytes, containing red pigments such as phycoerythrin. Pinnularia is a diatom, so a student who selects d is confusing a brownish photosynthetic protist with a red alga.
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About Classification of Biological Molecules
Biological molecules are classified as carbohydrates, lipids, proteins and nucleic acids, with water, minerals and vitamins also supporting cellular processes. The key distinctions involve their monomers, chemical bonds, structures and functions, including glucose and starch, fatty acids and triglycerides, amino acids and polypeptides, and nucleotides in DNA and RNA.
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