Examlex
Helper T cells respond only to epitopes attached to MHC proteins.
Biological Diversity
The encompassing term for the variety among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems.
Sustainable Timber
Timber harvested in a way that maintains the long-term health and biodiversity of the forest, ensuring a continuous supply of wood.
Ramsar Sites
Wetland sites designated to be of international importance under the Ramsar Convention, aimed at conserving biological diversity and promoting sustainable use of wetlands.
Waterfowl Management
The practice of preserving and regulating habitats and populations of aquatic birds for ecological balance and human recreation.
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Q71: Necessary for Vitamin B<sub>12</sub> absorption,_ is/are secreted