For Each of the Descriptions in Questions , Select the Molecule

question 5

Multiple Choice

For each of the descriptions in questions , select the molecule involved in T cell traffic (A-L) .
-A ligand on a subset of T cells that binds to E-selectin

• A)P-selectin
• B)L-selectin
• C)CCR8
• D)Tumor necrosis factor (TNF)
• E)VCAM-1
• F)LFA-1
• G)CCR5
• H)CCR4
• I)a4b7
• J)Cutaneous lymphocyte antigen (CLA)
• K)Mip1-a
• L)VLA-4

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Definitions:

Chorion

The outermost membrane surrounding an embryo of a reptile, bird, or mammal (in humans, it contributes to the formation of the placenta).

Extraembryonic Membrane

Membranes that are not part of the embryo but provide crucial support functions, such as nutrition and waste removal, during development in the womb.

Blastopore

The opening of the central cavity of an embryo in the early stage of development, which can develop into the mouth or anus in different animals.

Blastocoel

The fluid-filled cavity that forms inside the blastula, an early stage in the embryonic development of animals.