A Bound Guanosine Triphosphate (GTP) Is Involved in the Reversible

question 2

Multiple Choice

A bound guanosine triphosphate (GTP) is involved in the reversible assembly of:

• A)Thick filaments in skeletal muscle.
• B)Keratin filaments in the skin.
• C)Actin microfilaments in the cytoplasm of most cells.
• D)Microtubules during mitosis.
• E)Lamins in the nucleus.

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Definitions:

Synovial Fluid

A lubricating fluid produced by the synovial membrane in joint cavities, aiding in smooth joint movements by reducing friction.

Articular Cartilage

Hyaline cartilage covering the ends of bones within a synovial joint.

Lubricating Film

A thin layer of liquid or semi-liquid substance applied to surfaces to reduce friction and wear.

Double Layer

A double layer often refers to structures composed of two levels of material, which in biological contexts, could imply the phospholipid bilayer of cell membranes or protective coatings.