What macromolecules are high in phosphorus?
A) carbohydrates
B) phospholipids
C) nucleic acids
D) carbohydrates and nucleic acids
E) phospholipids and nucleic acids
Correct Answer:
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Q35: Through which part do plants acquire most
Q36: Nitrogen-fixing bacteria convert _ to _,which can
Q37: Animal waste is useful fertilizer for plants
Q38: Which sources of nitrogen can plants use?
A)
Q39: Which macromolecules are high in nitrogen?
A) proteins
B)
Q41: Corn plants have _ flowers.
A) imperfect
B) only
Q42: What is an "imperfect" flower?
A) A flower
Q43: What is a "perfect" flower?
A) A flower
Q44: The female reproductive structure of a flower
Q45: What are cereal crops?
A) All crops are
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