Which structure is the most immediate precursor of the brain?
a. neural tube
b. neural groove
c. neural crest
d. neural folds
e. neural plate
a
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Describe the movement of oxygen and carbon dioxide during gas exchange.
A. Oxygen diffuses out of the lungs into red blood cells and carbon dioxide diffuses out of red blood cells into the kidney nephrons. B. Carbon dioxide diffuses out of the lungs into red blood cells and oxygen diffuses out of red blood cells and into the lungs. C. Oxygen diffuses out of the lungs into red blood cells and carbon dioxide diffuses out of red blood cells and into the lungs.
A dark blue shirt will absorb less light energy than a very light blue shirt.
a. true b. false
The Hawthorne and apple maggot flies appear to have become reproductively isolated from each other
largely because:a. they occur on different sides of the Mississippi River. b. they have different mating behaviors. c. they occupy different parts of the habitat. d. they have adapted to two different hosts. e. they mate at different times of the day.
The reserve deposits of starch or other compounds found in many prokaryotic cells are called (vacuoles/inclusions/nucleoid)
What will be an ideal response?