The biconcave cells in blood that lack nuclei when they are mature are the
A) white blood cells. B) macrophages.
C) platelets. D) red blood cells.
D
You might also like to view...
The sex hormones from the adrenal cortex are primarily androgens.
Answer the following statement true (T) or false (F)
In circumstances where the body requires prolonged or increased levels of a hormone, the DNA of target cells will specify the synthesis of more receptors on the surface of the cells of the target organ. This is known as ________
A) a stressor reaction B) sensitivity increase C) up-regulation D) cellular affinity
Where are the anterior and posterior communicating arteries found?
A. The neck B. The cerebral arterial circle (circle of Willis) C. The branches of the celiac trunk D. The forearm E. The azygos-hemiazygos system
Explain the relationship between microtubules, cilia, flagella, centrioles, spindle fibers, and the centrosome.
What will be an ideal response?