The mass number represents the number of

A) protons in an atom.
B) electrons in an ion.
C) neutrons in an atom.
D) protons and neutrons in an atom.
E) neutrons and electrons in an atom.


D) protons and neutrons in an atom.

Anatomy & Physiology

You might also like to view...

Dehydration after ingesting alcohol demonstrates a hormonal negative feedback mechanism

Indicate whether the statement is true or false.

Anatomy & Physiology

The chemical and mechanical processes of food breakdown are called ________.

A) digestion B) absorption C) ingestion D) secretion

Anatomy & Physiology

As an arterial pathway moves farther from the heart, the arteries

A.  get smaller. B.  get larger. C.  show no change in their lumen size.

Anatomy & Physiology

The ________ circuit consists of the chambers on the right side of the heart as well as the pulmonary arteries and veins.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology