Definitions
Chemical Reactions
Energy
Macromolecules
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100

Small chemical unit that makes up a polymer.

What is a monomer

100

A bond where electrons are shared among only elements

What is a covalent bond?

100
The initial amount of energy needed to start a reaction

What is Activation Energy?

100

The monomers of carbohydrates are

What are monosaccharides or glucose?

100

A substance that is added to a solution to prevent drastic changes in pH is called

What is a buffer?

200

pure substance that consists entirely of one type of atom

What is an element?

200

Bond where electrons are transferred between two atoms

What is an ionic bond?

200

A change where one set of chemicals are altered into another

What is a chemical reaction?

200

Cellulose provides bulk (roughage) in the diet of humans because we cannot digest it. Cellulose is a type of

What is a carbohydrate?

200

A meniscus forming in a beaker filled with water is an example of

What is Adhesion?

300

atom that has a positive or negative charge

What is an Ion?


300

This subatomic particle is responsible for the formation of bonds

What is an electron?


300

The elements or compounds that engage in a reaction

What are reactants?

300

A group of macromolecules that are generally not soluble in water

What are Lipids?

300

Because of its heavily charged Oxygen atom and 2 slightly positive Hydrogen atoms, water would be considered a _________ molecule

What is polar?

400

compound made of carbon, hydrogen, and oxygen atoms

What are carbohydrates?

400

A group of two or more atoms held together by chemical bonds

What is a molecule?

400

The elements of compounds produced by a chemical reaction

What are products?

400

Phosphorus (or a phosphate group) is a vital component of what macromolecule?

What is Nucleic Acids?


400

The main function of these macromolecules is to store and transmit genetic information

What are nucleic acids?

500

Force of attraction between different kinds of molecules

What is adhesion?

500

When a molecule is broken down into smaller molecules by adding a water molecule, the process is called

What is hydrolysis?

500
Proteins that are responsible for speeding up the rate of a chemical reaction are called

What is an enzyme?

500

While all amino acids share a central carbon, an amino group, and a carboxyl group, they differ from one another due to this variable side chain

What is the R group?

500

Not a bond, but a force between regions of tightly packed molecules with oppositely charges

What are Van der Waals Forces?

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