10 questions in 10 minutes

Q1-3: These questions refer to this diagram of the ultrastructure of a cell.

cell ultrastructure

 MesserWoland and Szczepan 1990
CC-BY-SA 3.0
1.The cell shown above cannot be a...
  • A. Mature liver cell
  • B. Mature red blood cell
  • C. Mature cheek cell
  • D. Mature white blood cell

2. The organelles that are involved in protein synthesis are...

  • A. 9 and 6
  • B. 5 and 2
  • C. 13 and 6
  • D. 2 and 6
3. The following structures are double membrane bound:
  • A. 8 and 9
  • B. 2 and 6
  • C. 2 and 9
  • D. 9 and 13

4. Which of the following correctly describes animal, fungi and plant cells?

  Animals Fungi Plants
A Plastids present Cellulose cell walls  Large vacuoles 
B Plastids absent  Centrioles sometimes present in gametes Cellulose cell walls
C Plastids present Centrioles absent  Chitin cell walls
D Plastids absent  Cell wall absent   Centrioles sometimes present in gametes

5. The image below was created using which techniques?

cell structure microscope image

 Sagulenko E, Nouwens A, Webb RI, Green K, Yee B, Morgan G, et al
CC BY 4.0
A Electron microscopy  Immunofluorescence 
B Light microscopy  Freeze fracturing 
C Light microscopy  Immunofluorescence
D Electron microscopy  Freeze fracturing 

6. Select the INCORRECT statement in the following:

When using an electron microscope the specimen must be ...

  • A. dead
  • B. mounted in water
  • C. placed in a vacuum
  • D. embedded in a hard resin

Q7-9: These questions refer to the diagram below:

Reatures of a prokaryotic cell

 CNX OpenStax
CC-BY-SA 4.0

7. Genetic material is found in part ...

  • A. H
  • B. N
  • C. W
  • D. L

8. Which structure camouflages the bacterium from the immune system of a host organism?

  • A. W
  • B. Z
  • C. X
  • D. H
9. The length of a scale bar on an image of a bacterium measures 50mm. The scale bar represents 2.5µm in actual size. What is the magnification of this image?
  • A. 20,000
  • B. 2000
  • C. 5000
  • D. 500

 

10.Which of these statements are advantages for the separation of the nucleus and cytoplasm into separate compartments?

I. The separation allows for post-transcriptional modification of mRNA before it meets ribosomes in the cytoplasm in eukaryotes
II. The separation allows for immediate binding of mRNA to ribosomes in prokaryotes.
III. The separation allows for post-translational modification of polypeptide in eukaryotes
  • A. I only
  • B. III only
  • C. I and II only
  • D. I and III only