Which of the Following Molecules Is Not Elevated on the Surface

question 19

Multiple Choice

Which of the following molecules is not elevated on the surface of memory B cells compared with naive B cells?

• A)MHC class II molecules
• B)CD45RA
• C)antigen receptor
• D)CD27
• E)co-stimulatory molecules.

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Definitions:

Pore Spaces

The voids or gaps between soil or rock particles, which can contain water or air.

Water Pressure

The force exerted by water on any surface it is in contact with, significant in various geological and biological processes.

Dewatered Area

describes a region from which water has been removed, typically for construction or drainage purposes.

Upper Level

Refers to the higher layers of the atmosphere or any system, often used in meteorology or geosciences to describe phenomena occurring at altitude.