What Type of Skeleton Is an Internal Fluid Filled Chamber

question 95

Multiple Choice

What type of skeleton is an internal fluid filled chamber?

• A) hydroponic
• B) hydrostatic
• C) hydrophobic
• D) hydrophilic
• E) endoskeleton

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Definitions:

MHC Class II

Molecules present on immune cells that present antigens to helper T cells, crucial for initiating immune responses.

Antigen-Presenting Cell

A cell that displays antigen complexed with major histocompatibility complexes on their surfaces for recognition by T-cells.

T-Cell Receptor

A molecule found on the surface of T cells that is responsible for recognizing fragments of antigens as peptides bound to major histocompatibility complex (MHC) molecules.

CD8 Glycoprotein

A surface protein found on certain immune cells, such as cytotoxic T cells, involved in the immune response.