Which are the thinnest blood vessels?
A) Bronchioles
B) Capillaries
C) Arterioles
D) Venules
B
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Among the mammals, only some primates (including most humans) have color vision. What was the likely advantage that probably drove the evolution of primate color vision?
A. ability to detect poisonous, warningly colored fruits B. ability to find ripe fruit C. ability to enjoy the esthetic value of pretty flowers D. ability to prepare for winter as portended by autumn colors of leaves E. None of the choices provided is likely correct.
The retina contains light sensitive cells
____________________ Indicate whether the statement is true or false.
Which of these is NOT a location where you might find members of the phyla Chlorobi, Chloroflexi, or Cyanobacteria?
A. Deep ocean thermal vents B. "Blooms" on lakes C. Microbial mats D. Sulfide-rich mud on lake bottoms
Which of the following statements best describes the difference between mitosomes and mitochondria?
A. Mitosomes are not involved in ATP production. B. Mitosomes are much larger than mitochondria. C. Mitosomes contain hydrolytic enzymes that help the protozoan digest food particles. D. Mitosomes have one membrane whereas mitochondria have a double membrane.