Biology Vocab Terms 9th Grade

Weak interaction involving a hydrogen atom and a fluorine, oxygen, or nitrogen atom.

• Hydrogen bond

• Polar Molecule

• Ionic Bond

• Ion

Molecules that have an unequal distribution of charges are called

• ion

• Ionic Bond

• Hydrogen Bond

• Polar Molecules

A _ is a combination of two or more substances in which each substance retains its individual characteristics and properties

• Solvent

• Mixture

• Ionic Bond

• Hydrogen Bond

A _ is a substance in which another substance is dissolved.

• Mixture

• Solute

• Solvent

• Ion

_ is the substance that is dissolved in the solvent.

• Ion

• Solvent

• Solute

• Mixture

Substances that release hydrogen ions when they are dissolved in water are called _.

• Acids

• Bases

• Buffers

• pH

Substances that release hydroxide ions when they are dissolved in water are called _.

• Mixtures

• Buffers

• Bases

• Acids

a _ is a compound made of small carbon atoms called -.

• amino acids

• proteins

• nucleic acids

• nucleotides

_ are small compounds that are made of carbon, nitrogen, oxygen and hydrogen, and sometimes they share a general structure.

• proteins

• nucleotides

• amino acids

• nucleic acids

_ are complex macromolocules that store and transmite genetic information.

• lipid

• protein

• nucleotide

• nucleic acids