AP Ch. 2

When H₂O is the solvent for a mixture, the mixture is called a(n) ______.

Enzymes are chemical catalysts.

Covalent bonds break apart in water.

Which of the following is not part of a nucleotide structure?

Sodium and Chlorine form an ionic bond.

The smallest unit of matter is the _____.

Complete this sentence to make it correct: The ___ an orbital extends from the nucleus, the ____ its energy level.

Organic compounds are composed of molecules that contain which of the following bonds except....

Water is an organic compound.

In ionic bonds, an atom with 1-2 electrons "donates" its outer shell electrons to the one that needs one or two.

The body maintains a homeostasis pH range of: _____ to _____?

In what stage is a protein structure formed by folding and twisting of an amino acid chain?

Plants store glucose as a starch, which we break apart to get glucose.

Electrons stay still.

Chemical bonds form to make atoms more ______.

Covalent bonds are easily broken.

What is the correct way to write Carbon Dioxide?

The most abundant lipids in the body are the trigylcerides.

What 4 atoms make up about 96% of the human body?

Water is the most abundant compound in the body.

In this reaction, water disrupts the bonds in larger molecules, breaking them down into smaller molecules, what is it?

Atoms unite with each other to form larger chemical units called ____.

Organic molecules are larger and more comples than inorganic molecules.

Compounds that form ions when dissolved in H₂O are called ____.

What is the correct way to write the molecule for table salt?

Water is the solute in which most other compounds or solvents are dissolved.

______ ______ is used to form all of the major organic compounds found in the body.

The number of _____ & ______ combined is the atom's atomic mass.

Which of the following is a false statement about DNA?

Matter is anything that occupies space and has mass.

The molecule NaCl is called Sodium Chloride, aka table salt.

What is the correct statement regarding subatomic particles and their charges?

Each orbital closest to the nucleus can hold how many electrons?

ATP stands for Adenosine Diphosphate

Which nucleotide base is not part of the RNA bases?

In dehydration synthesis, which 2 atoms are removed from a molecule?

Which nucleic base is part of the ATP composition?

Blood has a pH of _____; why?

Atoms are composed of several kinds of subatomic particles, which is not part of an atom?

When atoms share electrons, a covalent bond forms.

In addition to C, O, and H, all amino acids contain which element?

Cholesterol is an example of an important steroid lipid.

ATP is made of 4 phosphate groups.

ATP becomes ADP when a Phosphate breaks off of ATP, releasing energy.

The name Carbohydrate means Carbon and water.

What is the correct symbol for Carbon?

C, N, O, and H almost always share electrons to form ionic bonds.

Protein structre is a sequence of amino acids in a chain is an example of which stage of shape?

Acids have a higher OH- concentration.

Hydrogen bonds have what kind of attraction?

Two atoms that have the same atomic number but different atomic masses are called ______.

The basic unit of many carohydrate molecules is called a monosaccharide.

Ionic compounds usually dissolve easily because ___ molecules are attracted to ions & wedge in, forcing them apart.

In which stage is a protein structure formed when twisted with another stage to produce a 3D structure?

A phospholipid bilayer forms the foundation for the cell membrane.

When a solution is said to have a pH of 7, what does this mean?

Proteins are very large molecules composed of basic units called nucleic acids.

Which statement is true about the nucleus?

Which of the following is not a major type of an organic compound?

Glucose is an important disaccharide in the body, which cells use it as their primary source of energy.