These are tiny masses of material, hardened in the lumen of the urinary tubule and are flushed out when filtrate builds up behind them
a) ketone bodies
b) erythrocytes
c) casts
d) microbes
e) urobilinogen
c
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Which of these descriptions best matches the term B lymphocytes?
A) adhere to collagen beneath endothelium B) helper cells are one type C) develop into plasma cells and produce antibodies in response to antigens D) kill bacteria using hydrogen peroxide E) often elevated in allergic individuals
Match the term with the description or definition.
a. red blood cell b. lymphocyte c. thrombocyte d. globulin e. serum f. basophil g. albumin h. eosinophil i. plasma j. fibrinogen k. hematopoiesis l. leukemia m. platelet n. embolus o. formed elements p. anemia q. thrombus r. hematocrit test 1. _____ Plasma protein that helps thicken the blood 2. _____ White blood cell that helps protect against parasites 3. _____ White blood cell that can be made in lymphatic tissue 4. _____ Plasma protein necessary for blood clot formation 5. _____ Another term for platelet 6. _____ White blood cell that secretes heparin 7. _____ Liquid part of the blood 8. _____ Plasma protein that includes antibodies 9. _____ Another term for erythrocyte 10. _____ Liquid part of the blood minus the clotting factors 11. _____ A formed element in the blood important in blood clot formation 12. _____ Process of blood cell formation 13. _____ A measure of the total blood volume made up by red blood cells 14. _____ Part of a blood clot that has dislodged and is circulating through the bloodstream 15. _____ A term for a number of conditions in which the blood is unable to carry a sufficient amount of oxygen 16. _____ Term for all the cells and cell fragments suspended in the blood 17. _____ A term used to describe a number of blood cancers affecting white blood cells 18. _____ A blood clot that stays in the place where it was formed
Which is NOT true about a binding site on a protein?
A. It is an area of the protein with a shape complementary to that of a ligand. B. It is determined by the amino acid sequence of the protein. C. The binding of a ligand to a binding site typically changes the conformation of the protein. D. There can only be one binding site on a given protein. E. Binding of a ligand to the binding site typically activates or inactivates a protein's specific function.
While a neuron membrane is depolarizing its ________.
A. sodium gates are partially open B. sodium gates are fully open C. chloride gates are partially open D. potassium gates are fully open E. chloride gates are fully open