Are the following statements true or false? 1. Lysosomal enzymes are processed t

Question

Are the following statements true or false?

1. Lysosomal enzymes are processed through the Golgi apparatus.

2. Typical “cargo” moved by molecular motors include secretory vesicles, cytoskeletal filaments, and organelles.

3. Clathrin is a protein which plays a major role in the formation of coated vesicles.

4. Antibodies are structurally related to members of the IgSF of adhesion proteins.

5. For a striated muscle to contract, sarcomere tropomyosin must bind calcium so that the adjacent troponin moves and permits myosin to bind to actin.

6. Under resting conditions, the muscle cell cytoplasmic calcium is maintained at about 10-2 molar.

7. Microfilaments are polar macromolecules assemblies of tubulin.

8. Actin-based microfilaments are present in plant cells.

9. Activation energy acts as a barrier preventing thermodynamically unstable reactants from reaching equilibrium.

10. Phosphoglycerides include cholesterol, phosphatidylcholine, and phosphatidylethanolamine among other.

Explanation / Answer

1. Lysosomal enzymes are processed through the Golgi apparatus.----> TRUE

2. Typical “cargo” moved by molecular motors include secretory vesicles, cytoskeletal filaments, and organelles. -----> TRUE

3. Clathrin is a protein which plays a major role in the formation of coated vesicles. ----> TRUE

4. Antibodies are structurally related to members of the IgSF of adhesion proteins. ----> TRUE (Antibodies are structurally related to members of the IgSF (immunoglobulin superfamily) of adhesion proteins

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