Bio Unit 2 Chemistry of Life

Compound that produces OH- ions in solution

The atom is mostly

Bonds between amino acids

A compound that forms H+ ions in solution

Made of triglycerides

Biological catalysts

Polysaccharides are made up of monosaccharides

Energy is _____ during a chemical reaction

DNA and RNA

A substance that speeds up the rate of a chemical reactions

The higher the pH, the more

What affects enzyme action

Large molecules that are formed by joining smaller organic molecules together

In an exergonic reaction, the

Which are macromolecules

Carbon can form many bonds and shapes

This is the main source of energy for living things

Hormones and chemical messengers

Elements that have a positive or negative charge

Surface tension is caused by

______ chemistry is the study of organic compounds

Fats, oils, and waxes are

Hydrophobic is water

Immediate energy source

Why is ice less dense than water

substance that prevent sudden change in pH

Simple sugars are

Protons and neutrons are located in the

Mass and energy are ______ in a chemical reaction

Build and repair body tissues, aid in transport, and are used as enzymes

How many valence electrons does carbon have

The forces responsible for the special properties of water

Attraction between a hydrogen w/ a partial + charge & another atom w/ a partial - charge

Simple sugars are the building blocks of

Matter that is made up of one kind of atoms is known as a(n)

Electrons that are in the outer most energy shell

Enzymes must have the correct shape for the correct reaction

Substance that is formed by chemical combination of 2 or more elements in definite proportions

The paper bag test determined if there were

carbon, hydrogen, and oxygen always in a 1:2:1 ratio

All matter is composed of

Highest amount of energy per gram

_____ hydrogen and _______ oxygen make water polar

Fats with single bonds

The attraction between molecules of the same substance

Transmit and store genetic information

In an endergonic reaction, the

The attraction between molecules of different substances

The lower the pH, the more

The energy needed to get a reaction started

The amount of energy required to increase the temp of a substance

Starch and Cellulose are

Made of repeating units of nucleotides

The iodine test determined if there were

Adhesion can also be called

Sugars must be in disaccharide form to be used by the body

Enzymes speed up reactions by

Made of combinations of 20 amino acids

Enzymes are used up during chemical reactions

What are made from repeating units of identical or nearly identical compounds called monomers

What element is a component of almost all biological molecules

Hydrophilic is water

Water is only able to dissolve_____ molecules

Water is a ______ molecule