During a growth curve of Aliivibrio fischeri, when would you expect to see the strongest bioluminescence?
A) lag phase
B) early to middle log phase
C) late log to early stationary phase
D) middle to late stationary phase
Answer: C
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rokaryotes
A. include bacteria and archea. B. include bacteria and viruses. C. are any unicellular organism. D. include bacteria and viruses, but not archea. E. include bacteria, but not archea and viruses.
A reflex arc differs from other responses to stimuli in that ____________________
a. it occurs without processing within the brain b. no neurons are required to bring about the response c. it involves a lot of integration and signal generation in the brain d. motor neurons are typically not activated
Amniocentesis involves sampling
a. the fetus directly. b. the fetal cells floating in the amniotic fluid. c. sperm. d. blood cells. e. placental cells.
In 2018, Austria exported $122.5 billion and imported products valued at $118.8 billion. Austria had a(n):
A. favorable balance of trade B. positive balance of payment C. negative balance of trade D. negative trade deficit E. positive trade deficit