Exam 2: The Chemical Basis of Life

A large organic molecule was analyzed and found to contain carbon, hydrogen, oxygen, nitrogen, and sulfur. Of these choices, which would most likely have been the type of molecule analyzed?

Which of these statements is true?

If a molecule consists of two or more different kinds of atoms, it is a(n)

The chemical compound that is represented by the acronym DNA

The chemical symbol Ca²⁺ indicates that a calcium atom has

Chemistry is the scientific discipline that is concerned with cellular composition and the structure of their substances and the reactions they undergo.

In a reversible reaction, when the rate of product formation is equal to the rate of reactant formation, the reaction is

The conversion of ATP into ADP

The smallest particle of an element that has the chemical characteristics of that element is a(n)

Which of the following pairs correctly matches the example with its classification?

Which of the following analogies does not illustrate the energy type it is paired with?

Enzymes

Atom Y has 11 protons, 11 electrons, and 12 neutrons. What is the atomic number of Atom Y?

Given that MgCl₂ is composed of Mg⁺² ions and Cl^- ions, MgCl₂ would be considered to be

Ionic compounds

Subatomic particles located in the nucleus of an atom are called

Which of the following statements is FALSE about molecules?

Monosaccharides are the building blocks for

Which of the following will decrease the rate at which a reaction occurs?

Two atoms with the same number of protons and electrons, but different numbers of neutrons, are called