The chemistry of life

The measure of acidity in a solution

Disaccharide contains 2 linked ____ molecules.

What is a solution made up of an acid or base that prevents large changes in pH?

Protein that functions as a catalyst?

One molecule that makes up a protein is?

Tendency for water to stick to other substances is?

Hydrogen bonds that create resistance at the surface of water

A base is a substance that reduces the concentration of hydrogen ions in a watery solution.

Liquid in which other substances dissolve

What is the number of protons in the nucleus of an atom?

An isotope has the same number of protons but different # of neutrons?

A group of 2 or more atoms chemically bonded.

Acid is a substance that increases the concentration of hydrogen ions in a watery solution.

Weak bond between hydrogen atom of one molecule and a different atom of another molecule

a polymer is a long string of identical monomers (molecules)

A compound is?

Organic compounds that the digestive system can convert to glucose and use as energy is called?

Element or compound produced by a chemical reaction is a

Liquid mixture of 2 or more substances

Attraction of shared electrons that hold atoms together, also called molecular bond.

What lowers the energy needed to trigger a chem. reaction and increases the rate of reaction?

What is the sum of the protons and neutrons in the nucleus?

Carries genetic material from parent to offspring.

Conversion of light energy to chemical energy

An organic compound that fuels metabolism & helps absorption of nutrients.

The breakdown of large organic molecules into smaller ones that can power cells

An atom with a net electrical charge is?

carbohydrates, lipids, proteins, and nucleic acids are considered

Change of liquid to gas?

Cellulose is?

Subatomic particle travels around nucleus with a neg. charge.

Tendency for like molecules to stick together?

Anything that has mass?

polymer made of glucose monomers, stored in plant roots

What is a positively charged ion called?

The recess in the surface of an enzyme where something binds is called?

Isomer is a molecule that?

Complex substance made up of amino acids

The attraction between oppositely charged ions is?

A negatively charged ion is called?

Chemistry is the study of?

A substance that dissolves in a solvant

have you heard that a nucleic acid is

What is the smallest unit of matter?

Have you heard of a molecule that can be bonded to other identical molecules to form a polymer

Subatomic particle in the nucleus of an atom that has no charge.

A substance that can not be broken down further?

A simple sugar that provides much of the body's energy needs.

A substance of defined molecular composition is?

A subatomic particle in the nucleus of an atom with a positive charge