During the second stage of labor:a
the cervix begins to dilate.
b. the cervix becomes effaced.
c. the fetus is "delivered."
d. the uterus begins to contract.
e. the amnion breaks.
C
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Optical density and viable cell concentration are LEAST proportional to each other during
A) lag phase. B) exponential growth phase. C) stationary phase. D) death phase.
Answer the following statements true (T) or false (F)
1. A bacterial infection such as pneumonia is most likely caused by organisms derived from the animal kingdom. 2. All genetic mutations are harmful to an organism. 3. Vertical evolution, whereby living organisms evolve from a common ancestor ("tree of life"), is the only mechanism of evolution on Earth. 4. The effects of a genetic mutation are always limited to simply a change in DNA sequence with little consequence on the proteins expressed. 5. The proteome, rather than genome, is most directly responsible for the structure, function, and appearance of organisms.
Which of these structures is not likely to contain significant amounts of aerenchyma tissue?
A. mangrove pneumatophores B. rice roots C. water lily leaves D. cypress "knees" E. coconut tree roots
Prostatitis and urinary tract infections (UTIs) are alike in that
A. untreated cases may complicate by infecting the kidneys. B. women are far more susceptible to both infections than men. C. treatment will minimize the symptoms but will never completely eliminate the disease. D. both result from the transfer of normal biota from the GI tract.