Which cells express the ligand of Notch1?
What will be an ideal response?
Its ligand (Notch ligand) is a membrane-bound protein on the surface of thymic epithelial cells.
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The nerve root is the point where a nerve is attached to the central nervous system
Indicate whether the statement is true or false
What causes anal sex to carry a higher risk of STI transmission?
A) Vaginal walls are specialized to accommodate friction. B) The tissues of the rectum are very delicate and easily tear. C) Blood vessels supplying tissues of the rectum are very close to the surface and thus allow the STI pathogens to pass easily to the bloodstream. D) All of the answers are correct.
The scapula is an example of an irregular bone.
Answer the following statement true (T) or false (F)
If joints are not regularly moved through their entire range of motion, their muscles and ligaments will eventually ____
a. degenerate b. bend c. shorten d. lengthen e. tear