Some cancer cells have mutations in the p53 gene, often called the guardian of the genome. It normally functions to repair damaged DNA or cause the elimination of severely altered cells. Which of the following functions is likely regulated by p53?
A. Anaerobic respiration
B. Apoptosis
C. Both "anaerobic respiration" and "translation" are correct.
D. Translation
Answer: A
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A ________ is a rounded passageway for passage of blood vessels and/or nerves
A) sinus B) fossa C) meatus D) foramen E) cavernosa
The binding site for oxygen molecules in red blood cells is the globin portion of the hemoglobin molecules.
Answer the following statement true (T) or false (F)
Which of the following is not a function of white blood cells?
a. activation of factor XII, which triggers the clotting cascade b. production of antibodies c. destruction of cancer cells d. phagocytosis of foreign invaders e. phagocytosis of cellular debris
Which connective tissue cells produce antibodies?
A. Plasma cells B. Mast cells C. Fibroblasts D. Fixed macrophages E. Mesenchymal cells