Indicate whether each statement is true or false regarding primary and secondary responses to an antigen.1. a primary response occurs when b-lymphocytes are first activated by an antigen. 2. in a primary response, b-lymphocytes form plasma cells and memory cells. 3. a secondary response is slower than a primary response. 4. in a secondary response, memory cells form plasma cells and more memory cells.

Statement no 1 is true. A primary response occurs when an antigens invades the body for the first time. B cells and T cell are activated to generate a response.

Statement no 2 is true, the B cells form plasma cells and memory cells during a primary response.

Statement 3 is false. A secondary response is faster than the primary response. When a pathogen invades the body again, the immune system already has memory cells for this pathogen. These memory cells will generate a quick response.

Statement no 4 is true. During a secondary response, the plasma cells will make more plasma cells and will also make memory cells as the pathogen might invade again.

the function of the protein macromolecule is to move things in and out of the cell and transport other molecules in the body. there are many functions of proteins. they are the basic building blocks of living things and are responsible for the growth and repair of body cells and tissues.

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