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3 Exakte Antworten 0 Text Antworten 424 Multiple Choice Antworten
Fenster schliessen

2. The elements of the histone octamer in nucleosome is?

a. H2A

b. H3

c. H2B

d. H4

e. All of above

Fenster schliessen

3. Chromatin is composed of:

a. Histones

b. DNA

c. No histone proteins

d. All above are correct

e. A and B are correct

Fenster schliessen

4. Which of the following is the site of steroid hormone synthesis?

a. Golgi complex

b. Free polyribosomes

c. Mitochondria

d. RER

e. SER

Fenster schliessen

5. Which of the following families of CAMs are generally involved in calcium dependent homotypic interaction?

CAMs . cellular adhesion molecules

a. Cadherins

b. Immunoglobulin

c. Integrins

d. Selectins

e. Elastins

Fenster schliessen

6. Which of the following is primarily responsible for the cell specificity?

a. Cholesterol

b. Glycoprotein

c. Peripheral membrane protein

d. Integral membrane protein

e. Phospholipid

Fenster schliessen

7. The asymmetry of cell membrane is established by:

 

a. The distribution of cholesterol

b. Membrane synthesis in the Golgi apparatus

c. Flipping phospholipids between the leaflets of the lipid bilayer

d. Presence of carbohydrates on the cytoplasmic bilayer

e. Membrane modification in the endoplasmic reticulum

Fenster schliessen

8. The Na+/K+ - ATP-ase is:

 

a. A form of peripheral protein

b. An example of primary passive transport

c. Contributing to the membrane potential

d. All of the above

e. None of the above

Fenster schliessen

9. What is located inside cilia?

 

a. Microfilament - is actin

b. Microtubule

c. Golgi apparatus

e. Ribosome

d. Mitochondria