Answer:
Body organs cannot move freely but are embedded in solid mesosphere tissue. 2. It is more difficult for materials to move from the gut to the body wall. A solution to both problems is to have some sort of body cavity, called a compel, in which the body organs lie bathed in body fluid.
Explanation:
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Answer:
C. Storing Energy
Explanation:
Proteins are meant for growth and repair. They cannot be stored away.
As a result of its involvement in a reaction, an enzyme is unchanged.
Enzymes are catalysts that speed up chemical reactions that occur within the biological systems (they increase the reaction rate by lowering its activation energy). Enzymes react with substrate that binds to them (key-lock mechanism) and convert the substrate into the product. Most of enzymes are proteins by their structure but a few are catalytic RNA molecules-ribosymes.
Enzyme activity can be affected by other molecules (activators and repressors), pH, temperature etc.
A host cell infected by a virus will activate the adaptive immune response through white blood cells that are called as lymphocytes.
There are two types of responses through cells: antibody responses and cell mediated immune responses. These responses are occur by different types of classes of white blood cells those are called as B cells and T cells.
These T lymphocytes use chemical messenger to activate other immune system cells so that the adaptive immune system can activate. It detect the infected cells and destroy the cell.
Antibody is a blood protein that is produced in body in response to the specific antigen.
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Answer:
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