The cloudiness in the eye lens that blocks light on its way to the retina is called a(n) ________
Fill in the blank(s) with correct word
cataract
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How would paralysis of the intercostal muscles alter inspiration?
a. Inspiration could not take place. b. Inspiration rates would increase due to the relaxation of the intercostal muscles. c. Inspiration could still take place but lung volume could not reach normal inspiratory volume. d. Pleurisy would cause inflammation, resulting in pain and reduced volume.
Which protists have a flagellum surrounded by a "collar" of threadlike projections, in which movement of the flagellum sets up a current that draws food-laden water through the collar?
a. amoebozoans b. choanoflagellates c. rhizarians d. green algae e. stramenopiles
Examine Type 4 hypersensitivities by completing the sentence. Finally, host rejection of grafted tissue can occur due to __________-mediated reactions, while _________ occurs when passenger cells in the grafted tissue attack host cells.
A) Xenografts B) Delayed C) Autografts D) Contact dermatitis E) MHC 1 F) T G) Tuberculin H) Allografts I) GVHD J) Type 4
A controlled experiment is one that _____
A) proceeds slowly enough that a scientist can make careful records of the results B) tests experimental and control groups in parallel C) is repeated many times to make sure the results are accurate D) controls all variables E) is supervised by an experienced scientist