3. Mitochondria & Endoplasmic Reticulum – Dr. Fathy Emad

Mitochondria, Endoplasmic Reticulum

1 / 10

rER is characterized by:

d) Protein synthesis inside the tubules.

c) Membrane bound flattened saccules.

b) Cisternae with ribosomes on their outer surface.

a) Two faces, entry and exit face.

2 / 10

Rough endoplasmic reticulum is:

c) Abundant in steroid forming cells.

a) Formed of flattened parallel tubules.

b) Formed of branching, anastomosing tubules.

d) Specialized in skeletal muscle for muscle contraction and relaxation.

3 / 10

The organelle important for detoxification of drugs is:

a) Mitochondria

d) sER

c) Golgi apparatus

b) Lysosomes

4 / 10

Smooth endoplasmic reticulum is abundant in:

a) Liver cells.

c) Fibroblasts.

d) Chondroblasts.

b) Plasma cells.

5 / 10

lipid produced by:

b) mitochondria

a) sER

c) lysosome

d) rER.

6 / 10

Concerning mitochondria:

d) Have ribosomes on their outer surfaces.

b) Outer membrane is rough.

a) Contain DNA and RNA.

c) Inner membrane forms shelves called cisternae.

7 / 10

Concerning mitochondrial cristae:

b) Contain DNA and RNA.

d) Have ribosomes on their outer surface.

a) Are incomplete shelves of the outer membrane.

c) Increases surface area to enhance its ability to produce ATP.

8 / 10

Concerning mitochondria:

a) Have shelf-like folds called cisternae.

b) Specially stained with PAS.

d) Have no enzymes.

c) Have their own DNA and can self-replicate.

9 / 10

Mitochondria are specially stained with:

c) Janus green.

a) PAS.

b) Sudan III

d) Silver

10 / 10

Cell respiration and ATP production occur within:

c) sER.

b) Golgi apparatus.

a) rER.

d) Mitochondria.

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