6: Nutrient Terms

Question 1

essential nutrient

Answer 1

substance that must be provided to an organism

Question 2

macronutrient

Answer 2

required in large quantities
play principal roles in cell structure and metabolism

C, H, O

Question 3

micronutrients/trace elements

Answer 3

present in small amounts
enzyme function and maintenance of protein structure

Mn(manganese), Zn, Ni

Question 4

inorganic nutrients

Answer 4

atom or simple molecule containing a combination of atoms other than C and H

found in earth’s, crust, bodies of H2O, & atmosphere
metals and their salts (magnesium sulphate (MgSO₄), ferric nitrate(Fe(NO₃)₃), sodium phosphate(Na₃PO₄)
gasses (O, CO2, H2O)

Question 5

organic nutrients

Answer 5

contains C and H atoms and are usually the products of living things

simple organic molecules such as methane (CH₄)
large polymers (carbs, lipids, proteins, nucleic acids)