Answer the following statements true (T) or false (F)

1. Both B lymphocytes and T lymphocytes come from stem cells in the bone marrow.
2. Clones of B cells all share the same surface antibody molecule.
3. By early adulthood, all immature B cells have been activated.
4. Memory B cells outlive plasma B cells.
5. Both T cells and B cells have antigen receptors on their cell membranes.


1. TRUE
2. TRUE
3. FALSE
4. TRUE
5. TRUE

Anatomy & Physiology

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If an injury caused damage to the insertion of the biceps brachii muscle (the anterior muscle of the upper arm), the injury would be nearest:

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