The second signal during cytotoxic T-lymphocyte activation involves stimulation of the cell by interleukin 2 released by helper T-lymphocytes.
Answer the following statement true (T) or false (F)
True
You might also like to view...
The utricle detects changes in head position away from vertical and also detects horizontally directed linear acceleration and deceleration
Indicate whether the statement is true or false
Which of the following represents the correct order of the segments of the small intestine from the stomach to the large intestine?
A. Ileum, jejunum, duodenum B. Duodenum, ileum, jejunum C. Jejunum, duodenum, ileum D. Duodenum, jejunum, ileum
Answer the following statements true (T) or false (F)
1. The SA node is located in the upper wall of the right atrium. 2. The Purkinje cells are tightly bound together to form the AV bundle. 3. Arteries that arise about an inch inferior to the celiac and deliver blood to the pancreas, small intestine and most of the large intestine are the inferior mesenteric arteries. 4. The terminal portions of the large intestine and rectum receive arterial blood from the superior mesenteric arteries.
The most abundant molecule in the body is ________.
NH3 CH4 CO H2O