Ropelike assemblies of fibrous polypeptides in the cytoskeleton that provide support and strength to cells; so called because they are intermediate in size between actin filaments and microtubules.

What will be an ideal response?


intermediate filaments

Biology & Microbiology

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Which of the following intestinal parasites is found in humans and also in pigs?

a. G. lamblia b. D. fragilis c. Cryptosporidium spp. d. Balantidium coli

Biology & Microbiology

The myosin power stroke in muscle contraction is triggered when _____ is released

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

The complement fixation test uses red blood cells as the target for complement activation. Test serum containing antibodies is combined with a known amount of antigen in a tube, and then the RBCs and antibodies against the RBCs are added. A positive

result for the complement fixation test would be A) a line of precipitate near the bottom of the tube. B) a cloudy solution in the tube. C) loss of color in the tube. D) a fluorescent precipitate. E) a solution that is clear due to precipitation of RBCs.

Biology & Microbiology

High fever, headache, extreme fatigue, and a rash on the face that progresses to fluid- and pus-filled sores before crusting over and healing are signs and symptoms consistent with infection with

A) adenovirus. B) herpesvirus. C) papillomavirus. D) polyomavirus. E) poxvirus.

Biology & Microbiology