Biochem Flashcards / Certified Exam
Questions& Answers / 2025.
Physical Property - Answer: Description of shape, mass, and volume
Chemical Property - Answer: A property used to characterize materials in reactions that change
their identity
Element - Answer: Any of over 100 substances that can not be separated to become simpler,
and singly or in combination make up all matter.
Atom - Answer: Smallest particle of an element that has the characteristics of that element.
Nucleus - Answer: The microscopic, positively charged central part of an atom made up of
protons and neutrons, also orbited by electrons.
Mixture - Answer: Combination of substances which individuals retain individual property.
Solution - Answer: Mixture of one or more solutes evenly distributed in a solvent.
Solute - Answer: The substance evenly distributed in the solvent to form a mixture.
Solvent - Answer: Holds dissolved substance in a mixture; most of the time, it is water.
pH - Answer: Measure of how acidic or basic a solution is.
, Acid - Answer: Describes a substance with a pH below 7.
Base - Answer: Describes a substance with pH above 7.
Polar Molecule - Answer: A molecule with a pair of equal and opposite charges.
Hydrogen Bond - Answer: Chemical bonding in which two molecules link together by one or
more hydrogen atoms.
Cohesion - Answer: The attraction of similar molecules.
Adhesion - Answer: The attraction of dissimilar molecules.
Isomer - Answer: A compound with the same molecular formula but different structural
formulas.
Monomer - Answer: a simple compound whose molecules can join together to form polymers
Polymer - Answer: A molecule composed of repeating structural units.
Carbohydrates - Answer: An organic compound consisting only of carbon, hydrogen, and
oxygen; the food group consisting of sugars and starches.
Monosaccharides - Answer: The simplest group of carbohydrates.
Disaccharide - Answer: Any carbohydrates that have two monosaccharide molecules on
complete hydrolysis.
Questions& Answers / 2025.
Physical Property - Answer: Description of shape, mass, and volume
Chemical Property - Answer: A property used to characterize materials in reactions that change
their identity
Element - Answer: Any of over 100 substances that can not be separated to become simpler,
and singly or in combination make up all matter.
Atom - Answer: Smallest particle of an element that has the characteristics of that element.
Nucleus - Answer: The microscopic, positively charged central part of an atom made up of
protons and neutrons, also orbited by electrons.
Mixture - Answer: Combination of substances which individuals retain individual property.
Solution - Answer: Mixture of one or more solutes evenly distributed in a solvent.
Solute - Answer: The substance evenly distributed in the solvent to form a mixture.
Solvent - Answer: Holds dissolved substance in a mixture; most of the time, it is water.
pH - Answer: Measure of how acidic or basic a solution is.
, Acid - Answer: Describes a substance with a pH below 7.
Base - Answer: Describes a substance with pH above 7.
Polar Molecule - Answer: A molecule with a pair of equal and opposite charges.
Hydrogen Bond - Answer: Chemical bonding in which two molecules link together by one or
more hydrogen atoms.
Cohesion - Answer: The attraction of similar molecules.
Adhesion - Answer: The attraction of dissimilar molecules.
Isomer - Answer: A compound with the same molecular formula but different structural
formulas.
Monomer - Answer: a simple compound whose molecules can join together to form polymers
Polymer - Answer: A molecule composed of repeating structural units.
Carbohydrates - Answer: An organic compound consisting only of carbon, hydrogen, and
oxygen; the food group consisting of sugars and starches.
Monosaccharides - Answer: The simplest group of carbohydrates.
Disaccharide - Answer: Any carbohydrates that have two monosaccharide molecules on
complete hydrolysis.
