In Which Zone Does Most of the Photosynthesis in the Open

question 48

Multiple Choice

In which zone does most of the photosynthesis in the open sea occur? 

• A) in the coastal zone 
• B) in the bathyal zone 
• C) in the abyssal zone 
• D) in the euphotic zone

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Definitions:

Antigen-Presenting Cell

A cell that displays antigen complexed with major histocompatibility complexes on their surfaces for recognition by T-cells, crucial in initiating an immune response.

MHC Class II

A group of proteins found on the surface of certain immune system cells, which are involved in presenting antigens to T cells, playing a crucial role in initiating immune responses.

Artificial Passive Immunity

Immunity acquired by the transfer of antibodies from another individual, typically through injection, rather than through the body’s own immune response.

Antibodies

Proteins produced by the immune system to identify and neutralize foreign objects such as bacteria and viruses.