During clotting, what happens to the plasma protein fibrinogen?
What will be an ideal response?
It is converted into fibrin, which is a string-like protein that forms a web, trapping red blood cells and platelets.
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Outside a cell, viruses are
A. running a small number of biochemical reactions. B. synthesizing proteins necessary for entry into the host. C. inactive. D. constructing a cell membrane known as an envelope. E. running a small number of biochemical reactions AND synthesizing proteins necessary for entry into the host.
After your eye exam, the optometrist breaks the bad news: "Your lens is a little too flat, and as a result it is focuses the image just in front of your retina." What kind of vision do you have?
A. astigmatism B. nearsighted C. farsighted D. night-blindness
Which characteristic is associated with eudicots?
a. a single cotyledon b. three-fold flower symmetry c. trisulcate pollen d. scattered vascular tissue
Hantavirus can be diagnosed by detection of
a. exposure to the virus. b. strength of immune response. c. presence of viral genome. d. all of the above.