Define activation energy. (Learning Objective 16, page 5)

Which of the following is a chemical symbol for a lesser element? (Learning Objective 2, page 5)

Which body plane creates an unequal left and right side? (Learning Objective 11, page 3)

Match the organic compound on the left with its primary function on the right. (Learning Objective 1, page 7)

Which level of protein structure may be absent from a protein? (Learning Objective 7, page 7)

Which of the following describe an acid? Select all that apply. (Learning Objective 24, page 6)

Which body plane creates a cut at an angle? (Learning Objective 11, page 3)

Which of the following is a property of a solid?

Which of the following may not be classified as matter?

Which of the following is a chemical change?