Biology Chapter 2 bju mcelveen

A ______ is a chemical bond between two amino acids is formed, which causes a water molecule to be released.

What is the study of matter and the changes it experiences?

An _______________ can decrease the activity of an enzyme by binding to the enzyme's activation site.

The smallest part of an element

Because water molecules have regions of asymetric charge, they are considered __________ molecules

Why do lipids not dissolve in water?

What do all the four main groups of organic compounds have in common in their structure?

Carbohydrates, lipids, proteins, and nucleotides are all _________ compounds.

Organic compounds all contain the element

An ____________ can decrease the activity of an enzyme by binding to the enzymes active site.

Brownian motion causes matter to spread out, a pocess called _____________

Brownian motion is motion caused by the collision between particles

Water and Sunlight chemically combine to form Glucose. Identify the reactant(s)

A substance that produces hydroxide ions in a solution

The smallest part of a covalent compound is

chemical equation shows both the reactants that enter into a chemical reaction and the products formed by that reaction

Water and Sunlight chemically combine to form Glucose. Identify the product(s)

Enzymes help a chemical reaction proceed by lowering the _______________

The smallest part of a covalent bond

A ____________ is a uniform mixture consisting of a solvent and one or more solutes.

Covalent compounds form when atoms ___________ electrons.

What is a water molecule's attraction to each other called?

Temperature is the measurement of

Enzymes help a chemical reaction by ______________ the activation energy.

The interaction between hydrogen atoms on adjacent molecules is known as hydrogen bonding.

A pure substance made of only one kind of atom

A substance is __________ if it can be dissolved by water.

A pure substance made of two of more chemically combined elements

Why do lipids not dissolve in water?

The compound held together by opposite electrical charges is a(n)

Because water molecules have regions of asymmetric charge, they are considered ___________ molecules.

Since animals can't make energy, they require what type of energy from food.

Since animals can't make energy, they require _________________ energy from food.

The tendency of energy to spread out

The physical stuff that makes up the universe

The attraction of one water molecule for another is known as

When a peptide bond forms between two amino acids, _____________ is released.

The main purpose of carbohydrates for living things is for

Give an example of a form of energy.

A substance that produces hydrogen ions in solution