Answer:
When people lift weights, the golgi tendon organ is the sense organ that tells how much tension the muscle is exerting. If there is too much muscle tension the golgi tendon organ will inhibit the muscle from creating any force (via a reflex arc), thus protecting the you from injuring itself.
Answer:
a
Explanation:
The answer is a because the population will change due to ones environment. For example, say there are a lot of mice in an area, but all of a sudden, it starts to flood. Some of the mice might die due to this environmental change, causing the population to decrease. The population changed, due to the change in environment. Therefor, the answer is a.
antigen processing involves the breakdown of protein antigens and the subsequent association of peptide fragments on the surface of antigen-presenting cells with MHC class I or class II proteins.
Antigen is any foreign particle or molecule that can trigger a n immune response in the body.
After the body encounters the antigen cells like macrophages, B cells and dendritic cells will recognise and destroy them. The parts of the antigen will be presented by the macrophages to the T cells and hence they are also called Antigen presenting cells.
Antigen presenting cells will showcase the antigen or its part to the T cells. This is done with the help of a protein called major histocompatiblity complex or MHC complex proteins.
MHC proteins are present on cell surface and holds the antigens to showcase them to T cells.
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