CELL STRUCTURE

Answer each question by clicking the correct blue button. Only the first answer selected is graded.

1.  How are ribosomes different from most other cell organelles?
A. They pass through the plasma membrane.
B. They are located outside the cell.
C. They are not enclosed by a membrane.
D. They contain chromatin.

2.  The National Aeronautics and Space Agency (NASA) has a command center in Houston, Texas, that directs space missions. Which part of a cell is analogous to this command center?

A.Plasma membrane.
B. Nucleus.
C. Mitochondria.
D. Vacuole.

3.  Which of the following structures would you NOT find in your body cells?
A. Mitochondria.
B. Cell walls.
C. Plasma membranes.
D. Ribosomes.

4.  Animal cells contain____________.
A. Chlorophyll.
B. Chloroplasts.
C. Cell membrane.
D. Cell walls.

5.  A structure that contains a cells genetic information is called a ____________.
A. nucleolus.
B. chromosomes.
C. ribosome.
D. lysosomes.

6.  _____________ is the material between the cell membrane and the nucleus.
A. Cytoplasm.
B. Lysosome.
C. Cell Wall.
D. Chloroplast.

7.  Cells that have a nucleus are called _______________.
A. prokaryotic.
B. eukaryotic.
C. lysosomes.
D. mitochondria.


Grade exam.