1. Which of these cell structures contains one or more membranes?

  I. Ribosome

  II. Plasma membrane

  III. Endoplasmic reticulum

  IV. Golgi body

  A. II only

  B. IV only

  C. I and II

  D. I, II, and III

  E. II, III, and IV

  2. Cyanobacteria are photosynthetic prokaryotes. Which organelles do cyanobacteria cells contain?

  I. Chloroplasts

  II. Nucleus

  III. Ribosomes

  A. I only

  B. II only

  C. III only

  D. I and II only

  E. I and III only

  3. A cell normally contains 54 chromosomes. During which phases of mitosis does the cell contain 108 chromosomes?

  I. Anaphase

  II. Metaphase

  III. Prophase

  IV. Telophase

  A. I and IV

  B. II and III

  C. II and IV

  D. I, II, and III

  E. I, II, and IV

  4. A cell contains multiple nuclei with identical genetic information. This cell most likely formed by going through

  A. multiple rounds of mitosis, but no cytokinesis

  B. multiple rounds of the M phase, but no rounds of the S phase

  C. multiple rounds of cytokinesis, but no rounds of mitosis

  D. multiple rounds of the cell cycle, but no rounds of mitosis

  E. multiple rounds of the S phase, but no other phases of the cell cycle

  5. What is the correct sequence of these events in the cell cycle?

  I. Nuclear membrane dissolves.

  II. Cell size increases.

  III. Two daughter cells form.

  IV. DNA replicates.

  A. I, IV, II, III

  B. I, IV, III, II

  C. II, I, IV, III

  D. II, IV, I, III

  E. IV, II, III, I