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Questions and Answers
Match the macronutrient with its primary function:
Match the macronutrient with its primary function:
Nitrogen = Combines with C, H, O, and sometimes S to form amino acids, enzymes, nucleic acids, and chlorophyll Phosphorus = Component of enzymes, ATP, RNA, DNA, and phytin Potassium = Maintains water status, cell turgor pressure, and stomatal function Calcium = Maintains cell integrity and membrane permeability
Match the macronutrient with its role in plant metabolism:
Match the macronutrient with its role in plant metabolism:
Nitrogen = Accumulates primarily in stems and conductive tissue as nitrate (NO3) form Phosphorus = Essential for energy transfer reactions and genetic information Potassium = Required for carbohydrate accumulation and translocation Magnesium = Component of chlorophyll
Match the macronutrient with its involvement in plant growth processes:
Match the macronutrient with its involvement in plant growth processes:
Nitrogen = Predominantly exists as high-molecular-weight proteins Phosphorus = Facilitates accumulation and translocation of carbohydrates Potassium = Maintains water status, cell turgor pressure, and stomatal function Sulfur = Reduces disease incidence in plants
Match the macronutrient with its impact on plant development:
Match the macronutrient with its impact on plant development:
Match the macronutrient with its presence in plant compounds:
Match the macronutrient with its presence in plant compounds:
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Study Notes
Macronutrients
- Nitrogen is found in both organic and inorganic forms in plants and combines with C, H, O, and sometimes S to form amino acids, enzymes, nucleic acids, and chlorophyll.
- Nitrogen is predominantly stored in high-molecular-weight proteins.
- Nitrogen accumulates primarily in stems and conductive tissue as nitrate (NO3) form.
Phosphorus
- Phosphorus is a component of enzymes, ATP, RNA, DNA, and phytin.
- Phosphorus is essential for energy transfer reactions and genetic information.
- Phosphorus facilitates accumulation and translocation of carbohydrates.
Potassium
- Potassium maintains water status, cell turgor pressure, and stomatal function.
- Potassium is required for carbohydrate accumulation and translocation.
Calcium
- Calcium maintains cell integrity and membrane permeability.
- Calcium enhances pollen germination, cell division, and elongation.
- Calcium may detoxify heavy metals in plants.
Magnesium
- Magnesium is a component of chlorophyll.
- Magnesium acts as a cofactor in phosphorylation processes.
Sulfur
- Sulfur is involved in protein synthesis.
- Sulfur is present in amino acids, glutathione, coenzyme A, and vitamin B1.
- Sulfur reduces disease incidence in plants.
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