At the end of a non-pregnant ovarian cycle, the breakdown and discharge of the soft uterine tissues is called _____
A) menstruation
B) lactation
C) fertilization
D) menopause
E) ovulation
Answer: A
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If a person is highly alert, anxious, and has loss of fine motor control, which psychoactive drug have they most likely
taken?
a. a narcotic analgesic b. a stimulant c. a depressant d. a hallucinogen e. an endorphin
Immature forms of insects generally specialize in
a. eating and growing fast. b. reproduction. c. caring for the adults. d. dispersal. e. flying.
Human society in its current form is unsustainable because
A. diverting agricultural yield for feeding livestock supplies enough protein to fulfill a community's dietary needs. B. recycling has eliminated the need for the mining of some mineral resources. C. renewable energy sources are consuming land and resources more quickly than they can be replenished. D. freshwater is being effectively preserved through conservation. E. important natural resources are being consumed more quickly than they can be replenished.
RNA nucleotides are linked by the enzyme _____________.
Fill in the blank(s) with the appropriate word(s).