A wound created by the drag of a knife across skin can be classified as

A. puncture.
B. incised.
C. lacerated.
D. contused.


B.

Biology & Microbiology

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The most reliable dietary source of all eight essential amino acids is:

A. meat. B. nuts. C. vegetables. D. whole grains. E. dairy products.

Biology & Microbiology

What is the large muscular organ inferior to the lungs that facilitates breathing?

a. trachea b. diaphragm c. bronchioles d. alveoli

Biology & Microbiology

In the human eye, what provides the greatest visual acuity (the precise discrimination between adjacent

points in space)? a. photoreceptors in the sclera b. photoreceptors in the fovea c. protein filaments in the lens d. photoreceptors in the optic nerve e. photoreceptors throughout the retina

Biology & Microbiology

A mutant E. coli strain, grown under conditions that normally induce the lac operon, does not produce ß-galactosidase. What is a possible genotype of the cells?

A. lacl+ lacP+ lacO+ lacZ+ lacY+ lacA+ B. lacI+ lacP+ lacOc lacZ+ lacY+ lacA+ C. lacI- lacP+ lacO- lacZ+ lacY+ lacA- D. lacI+ lacP- lacO+ lacZ+ lacY+ lacA+ E. lacI+ lacP+ lacO+ lacZ+ lacY- lacA+

Biology & Microbiology