Exam 2: The Chemical Level of Organization

If an element is composed of atoms with an atomic number of 8 and a mass number of 14, then an electrically neutral atom of this element contains

In a molecule of hydrogen, a pair of electrons is shared equally. Such a bond is called a(n)

A DNA nucleotide specifically consists of

A certain reaction pathway consists of four steps. How would increasing the amount of enzyme that catalyzes in the third step affect the amount of product produced at the end of the pathway?

The area around the center of an atom, which contains negatively charged subatomic particles, is called the electron

Combinations of atoms that contain two or more different elements are called

The addition of energy to start a reaction is called the energy of

Figure 2-3 A Structure Use Figure 2-3 to answer the following question: Indicate the primary function(s) of the structure shown in the figure.

Which of the following pairs of elements can be classified as inorganic only?

Which of the following would have a negative charge?

The uncharged subatomic particles are called

Why is it life-threatening to have a low pH?

The bond between sodium and chlorine is a(n) ________ bond.

Which of the following is an example of a disaccharide?

Which of the following is sometimes used in diagnostic imaging?

The term that applies to all of the decomposition reactions that occur in metabolism is

The best definition of organic material is anything that contains

Which of the following elements is found in all organic molecules?

How does the RNA molecule differ from a DNA molecule?

Which nitrogenous base is unique to RNA molecules?