Mycorrhizae are found in about__________vascular plants?
Correct answer: B. 95%
- A. 90%
- B. 95%
- C. 98%
- D. 96%
Explanation
Mycorrhizal associations occur in about 95% of vascular plant species, with fungal hyphae improving mineral and water absorption in exchange for plant carbohydrates. Students may choose c because the association is extremely common, but the standard approximate figure is 95%.
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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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