The B-cell receptor (BCR) <span> is composed of </span>immunoglobulin molecules<span> that form a type 1 </span>receptor protein, which is <span>usually located on the </span>outer surface<span> of </span>B cells. <span>The immunoglobulin is part of the </span>B cell receptor<span> (BCR), which allows a </span>B cell<span> to reveal when a specific antigen is present in the body and triggers </span>B cell<span> activation.</span>
Answer: A - Isobars
Explanation: Isobars represent patterns of pressure. They show how pressure is changing over space and can help describe the large scale weather patterns across a region in the map.
Answer:
you didn't give us the descriptions
Explanation:
Organism in an eniornment can compte for food
False. Plants have adaptations to help them survive (live and grow) in different areas. Adaptations are special features that allow a plant or animal to live in a particular place or habitat.