Phosphorus is often scarce in soils, so a deficiency in phosphorus may limit plant growth. Plants need this essential element because it is a component of which organic molecules? (Select all that apply.)Check All That ApplyDNADNARNARNAglucoseglucoseproteinsproteinsphospholipidsphospholipidssterolssterolsATPATP
Question
Phosphorus is often scarce in soils, so a deficiency in phosphorus may limit plant growth. Plants need this essential element because it is a component of which organic molecules? (Select all that apply.)Check All That ApplyDNADNARNARNAglucoseglucoseproteinsproteinsphospholipidsphospholipidssterolssterolsATPATP
Solution
Phosphorus is a component of the following organic molecules:
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DNA: Deoxyribonucleic acid (DNA) contains phosphate groups that link the deoxyribose sugars in the DNA backbone.
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RNA: Ribonucleic acid (RNA) also contains phosphate groups that link the ribose sugars in the RNA backbone.
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Proteins: While phosphorus is not a component of the amino acids that make up proteins, it is involved in the phosphorylation of proteins, a process that is critical for many protein functions.
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Phospholipids: These are a major component of all cell membranes. Phosphorus is part of the phosphate group in these molecules.
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ATP: Adenosine triphosphate (ATP) is the primary energy currency of the cell, and it contains a high-energy phosphate bond.
Phosphorus is not a component of glucose or sterols.
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