(1.) Which four elements are found in highest concentrations in plants? a.) phos

Question

(1.) Which four elements are found in highest concentrations in plants?

a.) phosphorus, calcium, hydrogen, carbon

b.) magnesium, phosphorus, calcium, potassium

c.) magnesium, iron, phosphorus, potassium

d.) carbon, hydrogen, oxygen, nitrogen

e.) carbon, hydrogen, oxygen, potassium

(2.) Proteins are macromolecules that account for much of a plant's demand for mineral nutrients. Protein molecular structure explains at least some of the need for carbon and which other elements?

a.) oxygen, sulfur, phosphorus, and potassium

b.) hydrogen, oxygen, nitrogen, and phosphorus

c.) hydrogen, oxygen, nitrogen, and sulfur

d.) hydrogen, nitrogen, sulfur, and potassium

e.) hydrogen, oxygen, phosphorus, and potassium

(3.)After nitrogen fixation, the ammonia can be converted by other bacteria to what?

a.) nitrite; ATP

b.) nitrate; amino acids

c.) nitrate; nucleic acids

d.) nitrate; nitrite

e.) nitrite; pigments

Explanation / Answer

Option d.) carbon, hydrogen, oxygen, nitrogen

Option c.) hydrogen, oxygen, nitrogen, and sulfur

Option a.) nitrite; ATP

Related Questions

Navigate

• Browse (All)
• Browse #
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.