1. Which of the following two organelles look most alike structurally?

A. Nucleus and vesicle
B. Golgi apparatus and smooth endoplasmic reticulum ER
C. Vacuole and cytoskeleton
D. Lysosome and chloroplast

2. In terms of basic cell structure, what do an elephant and an oak tree have in common?

A. They both are eukaryotes
B. They both have a cell nucleus
C. They both have mitochondria
D. All of the above

3. Where in a eukaryotic cell, DNA can be found?

A. Nucleus
B. Mitochondrion
C. Vacuole
D. Both (a) and (b)

4. Which of the following structures is expected in a bacterium?

A. Nucleus
B. Plasma membrane
C. Golgi apparatus
D. Endoplasmic reticulum

5. Which of the following organelles is directly connected to the outer membrane of the nucleus in a eukaryotic cell?

A. Mitochondrion
B. Lysosome
C. Golgi apparatus
D. Endoplasmic reticulum