Contraction of the diaphragm ____
a. diminishes the volume of the thoracic cavity
b. increases the volume of the thoracic cavity
c. pushes the rib cage downward
d. causes external intercostal muscles to relax
e. decreases lung capacity
ANSWER: b
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Differentiation is characterized by
A. cellular division and growth. B. body parts being shaped and patterned into a specific form. C. cells becoming specialized in structure and function. D. All of the choices are correct. E. None of the choices are correct.
When marginal farmland is left barren, the process is termed this _____ .
A) Skin cancer
B) Carbon footprint
C) Age structure
D) Emigration
E) Desertification
F) Chlorofluorocarbon
G) Ozone
H) Carrying capacity
I) Density-dependent
J) Death rate
Small subcutaneous hemorrhages called (granulations/macules/petechiae) are sometimes present in cases of meningitis
What will be an ideal response?
A particular small noncoding RNA that is linked to spermatogenesis is most likely classified as what kind of noncoding RNA?
A) bidirectional lncRNAs B) microRNAs C) antisense lncRNAs D) piwi-interacting RNAs E) short interfering RNAs