What are nucleolar organizer regions?
What will be an ideal response?
nuclear regions containing the DNA that issues genetic instructions for synthesizing ribosomal RNA
You might also like to view...
When antigens bind to inactive B cells and are brought into the cell by endocytosis to be displayed on the Class II MHC proteins this results in ________ of the B cells
A) activation B) sensitization C) co-stimulation D) cloning E) division
Dr. Sweet performs both ________________________________________ and ________________________________________ surgery
Fill in the blank(s) with correct word
Fat-soluable vitamins, such as A, D, and E, are best absorbed when you take them with a high fat mean.
a. true b. false
Why is the contraction strength of smooth muscle relatively independent of its resting length?
A. It does not have intercalated discs. B. It is regulated by a length-tension relationship. C. It gets nearly all of its Ca2+ from the extracellular fluid. D. It does not have sarcomeres. E. It is involuntary muscle.