No partial charges. Do not mix with water.

Molecule with partial charges. Mixes with water.

compound that forms hydrogen ions (H+) in solution. pH less than 7

a compound that produces hydroxide ions in solution. pH more than 7

a measure of how acidic or basic a solution is

A mixture that forms when one substance (solvent) dissolves another (solute).

a group of atoms bonded together

A substance made up of atoms of two or more different elements joined by chemical bonds

An attraction between molecules of different substances

Attraction between molecules of the same substance

A liquid substance capable of dissolving other substances

A substance that is dissolved in a solution.

A mixture in which particles can be seen and easily separated by settling or filtration

A combination of two or more substances that are not chemically combined

a positively charged subatomic particle found in the nucleus of an atom

A subatomic particle that has no charge and that is found in the nucleus of an atom

A subatomic particle that has a negative charge. Orbits around the nucleus.

Building blocks (monomer) of protein

Adenosine triphosphate, the main energy source for cells.

compound made up of carbon, hydrogen, and oxygen atoms; major source of energy for the human body

polysaccharide consisting of glucose monomers that reinforces plant-cell walls

deoxyribonucleic acid, a self-replicating material present in nearly all living organisms as the main constituent of chromosomes. It is the carrier of genetic information.

C6H12O6; A simple sugar that is an important source of energy.

An extensively branched glucose storage polysaccharide found in the liver and muscle of animals; the animal equivalent of starch.

macromolecule made mostly from carbon and hydrogen atoms; includes fats, oils, and waxes, partly or completely non polar

A simple compound whose molecules can join together to form polymers

A building block of DNA, consisting of a five-carbon sugar covalently bonded to a nitrogenous base and a phosphate group.

macromolecule containing hydrogen, oxygen, nitrogen, carbon, and phosphorus. Examples are DNA and RNA.

molecules composed of many monomers; makes up macromolecules

macromolecule that contains carbon, hydrogen, oxygen, and nitrogen; needed by the body for growth and repair

A storage polysaccharide in plants consisting entirely of glucose.

Energy needed to get a reaction started

substance that speeds up the rate of a chemical reaction

the process by which one or more substances change to produce one or more different substances

protein that acts as a biological catalyst

A substance produced in a chemical reaction

A chemical substance that is present at the start of a chemical reaction

reactant of an enzyme-catalyzed reaction

a state in which opposing forces or influences are balanced.

Biology - Chapter 5 Vocabulary Flashcards

Student preview

46 questions

Show all answers

1.

FLASHCARD QUESTION

Front

chemical bond

Back

the attractive force that holds atoms or ions together

2.

FLASHCARD QUESTION

Front

covalent bond

Back

A chemical bond that involves sharing a pair of electrons between atoms in a molecule

3.

FLASHCARD QUESTION

Front

element

Back

A pure substance made of only one kind of atom

4.

FLASHCARD QUESTION

Front

hydrogen bond

Back

weak attraction between a hydrogen atom and another atom

5.

FLASHCARD QUESTION

Front

Ion

Back

An atom or group of atoms that has a positive or negative charge.

6.

FLASHCARD QUESTION

Front

ionic bond

Back

Formed when one or more electrons are transferred from one atom to another

7.

FLASHCARD QUESTION

Front

Isotope

Back

Atoms of the same element that have different numbers of neutrons

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