Which of the following cells has up to 50 nuclei and a ruffled border?
A. Osteoblast
B. Osteoclast
C. Osteocyte
D. Macrophage
E. Osteogenic cell
B. Osteoclast
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The Na+ and K+ channels that open during an action potential are voltage-regulated, both opening in response to depolarization of the membrane.
Answer the following statement true (T) or false (F)
Proteins must first be enzymatically degraded to single amino acids before entering the capillaries of the hepatic portal system. Is this true or false? What is the significance of this? Is absorption of carbohydrates and lipids restricted to monomers? Explain.
What will be an ideal response?
New amino acids (other than the initial f-Met) enter at which site?
E P A Any of the choice are correct.
________ cells are all of the cells of the body except the reproductive cells (sperm and oocytes)
A) Germ B) Stem C) Mature D) Sex E) Somatic