An elongate uniramid with many legs as well as poison claws is called:A
a mite.
B. a tick.
C. an insect.
D. a centipede.
E. a millipede.
D
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In the figure above, which of the following conclusions is most logical based on the data?
A) Females produce more eggs more quickly when exposed to breeding males. B) Females produce eggs more quickly when exposed to many males than females paired with a male. C) All non-isolated females do just as well as isolated females. D) After four weeks together, females with males produce mature follicles to the same extent as females without males.
Standing still and at attention for long periods can result in inadequate venous return. The effects of this can be seen when even young and healthy soldiers sometimes faint when standing at attention for long periods. Which of the following is NOT occurring to promote return of blood from the venous system in this situation?
A. sympathetic activation of smooth muscle in large veins B. skeletal muscle activity compressing veins and forcing blood flow C. one way flow in the venous system due to valves D. ventricular contraction E. None of the choices for this question are correct.
Bacterial proteins were radioactively labeled and fed to phagocytic cells. The proteins within the phagocytic cell became increasingly more radioactive over time. This observation is the result of the activity of
A) mitochondria. B) chloroplasts. C) lysosomes. D) peroxisomes. E) the Golgi apparatus.
Contact dermatitis involves
A. T lymphocytes secreting inflammatory cytokines. B. an allergen entering the skin. C. a sensitizing and provocative dose. D. the production of itchy papules and blisters. E. All of the choices are correct.