NATS 1560 (test 1) Questions and
Answers 100% Verified
Food science ✔✔•scientific and technological research on the properties of food substances,
aimed at inventing new food products and new methods of preservation and processing
Nutrition science ✔✔the scientific study of the processes through which food provides
nourishment to the body
what are the general characteristics of the modern sciences? ✔✔materialism, reductionism &
experimentalism
What are macronutrients? ✔✔carbohydrates, lipids, proteins
what are micronutrients? ✔✔vitamins and minerals
Atomic theory ✔✔•all material substances are constituted of atoms
Element ✔✔•substance composed only of atoms of the same species
, Compound ✔✔A substance made up of atoms of two or more different elements joined by
chemical bonds
Mixture ✔✔•can be separated and purified into simpler substances by physical means
Chemical formula ✔✔•symbolic expression representing the chemical composition of a
molecule, (i.e. the species and numbers of atoms composing it)
Chemical reaction ✔✔re-arrangement of the atoms of the reactants into new molecules
(products)
catalyst ✔✔is a substance that facilitates the reaction but is not changed by the reaction
Molecular structure ✔✔arrangement of atoms in a molecule in 3d space
Structural formulas ✔✔2d representations of molecular structure
Answers 100% Verified
Food science ✔✔•scientific and technological research on the properties of food substances,
aimed at inventing new food products and new methods of preservation and processing
Nutrition science ✔✔the scientific study of the processes through which food provides
nourishment to the body
what are the general characteristics of the modern sciences? ✔✔materialism, reductionism &
experimentalism
What are macronutrients? ✔✔carbohydrates, lipids, proteins
what are micronutrients? ✔✔vitamins and minerals
Atomic theory ✔✔•all material substances are constituted of atoms
Element ✔✔•substance composed only of atoms of the same species
, Compound ✔✔A substance made up of atoms of two or more different elements joined by
chemical bonds
Mixture ✔✔•can be separated and purified into simpler substances by physical means
Chemical formula ✔✔•symbolic expression representing the chemical composition of a
molecule, (i.e. the species and numbers of atoms composing it)
Chemical reaction ✔✔re-arrangement of the atoms of the reactants into new molecules
(products)
catalyst ✔✔is a substance that facilitates the reaction but is not changed by the reaction
Molecular structure ✔✔arrangement of atoms in a molecule in 3d space
Structural formulas ✔✔2d representations of molecular structure
