Exam 2: The Chemical Level of Organization

Compounds that do not usually contain carbon as the primary structural atom are called ________ molecules.

Chemical reactions that release energy are called ________.

Kinetic energy is stored as ________ energy when a spring is stretched.

In chemical notation,the symbol Ca²⁺ means ________.

The chemical behavior of an atom is determined by

In the process of ________ a phosphate group is transferred to a molecule.

In a molecule of nitrogen,three pairs of electrons are shared by two nitrogen atoms.The type of bond that is formed is an example of a(n)

The average time between synthesis and breakdown is known as the ________ time.

The ________ of a radioactive substance is the time required for 50 percent of a given amount of radioisotope to decay.

A high-energy bond in ATP is present

The atomic number represents the number of

In an aqueous solution,sodium ions would move toward

The molecule CO₂ is known as

Which has the greater concentration of hydrogen ions,a substance with a pH of 5 or a substance with a pH of 4?

The maximum rate of an enzyme reaction occurs at

Each of the following is an example of an inorganic compound,except

The structure of RNA differs from DNA in that

Molecules that store and process genetic information are the

Chemical reactions that absorb energy are called ________.

In the body,inorganic compounds