GJHS BIO CH 6 TEST REVIEW

There are two electrons in the first energy level and eighteen in the second.

Van der Waals forces are attractive forces between the water , not the forces between the

Proteins are made of different combinations of all ___different amino acids.

Cholesterol and hormones are examples of?

Amylase is an important enzyme found in saliva.

1. Organic chemistry is the study of organic compounds which contain _________.

1. Acids release H+ ions into solutions and bases release ____ ions into solutions.

Where is glycogen stored in the body?

Isotopes that give off radiation are called polymer isotopes and can be used by doctors.

Simple sugars are also called ______________.

There are five major nucleotides, all of which have 3 units—a phosphate, a nitrogen base and

____________ is a monosaccharide that plays a central role as an energy source for organisms.

Which of the following is NOT one of the shapes of organic compounds?

In a reaction, if energy is released in the form of heat it is called

In plants, a carbohydrate called ____________ provides structural support in cell walls.

Molecules that have an unequal distribution of charges are called _________________.

In a chemical equation, the number below an element is called a(n)

Electrolysis can break water down into hydrogen and oxygen gas.

Products are on the left side of the equation.

What does the arrow mean in a chemical equation?

Polymers are repeating units of identical/nearly identical compounds called monomers.

Lipase and protease play an important role in the breakdown of food in the human digestive syst

A catalyst does not increase how much product is made & it does not get used up in the reaction

A ____________(ex. Salt) is the substance that is dissolved in the solvent (ex. water).

Special proteins called _______________ are biological catalysts.

Blood is a(n) ______________ made up of plasma, cells, and other substances.

The two types of nucleic acids found in living organisms are

Lipids that have tail chains with only single bonds between the carbon atoms are called

Which of the following is not found in the block for each element in the periodic table?

ATP is a nucleotide with three ____ groups and is a storehouse of chemical energy used by cells

This is used to react w/ acids or bases to keep the pH w/i a particular range (like Antacids)

Water is the compound H₂O and Sodium chloride (NaCl) is the compound commonly called

There are two main types of chemical bonds: covalent, ionic

Capillary action is the result of adhesion, it is why water can travel up the stems of plants.

The periodic table is organized into horizontal rows, called ___________,

_____________ is anything that has mass and takes up space.

On the pH scale, oven cleaner is

On the pH scale, lemon juice is

A molecule is a compound in which the atoms are held together by ionic bonds.

Covalent bonds are stronger bonds w/i a water molecule than between the diff water molecules.

Hydrogen bonding is a strong type of Van der Waals force.

The primary function of lipids is to store energy.

A solution is another name for heterogeneous mixture.

A protein might contain many helices, pleats, and folds are held together by _______ bonds

What does the strength of an electrostatic attraction depend on?

I am small, found outside the nucleus, and have a negative charge. Who am I?

I am found inside the nucleus and do not have a charge. Who am I?

On the pH scale, water is considered

An atom can have an overall charge of zero if it has

I am positive, found inside the nucleus, and determine the name of the element. Who am I?

Phospholipids are steroids that are responsible for structure & function of the cell membrane.

There are over 100 known elements, 92 of which occur naturally.

When the body needs energy b/t meals or during physical activity, glycogen is broken down into

Enzymes are affected by temperature and pH.