A(n) ________ is a permeable underground layer of rock, sand, and gravel saturated with groundwater.
A. aquifer
B. submergence
C. natural spring
D. hot spring
Answer: A
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Mitochondria and chloroplasts have their own DNA but use the ribosomes of the host cell
Indicate whether the statement is true or false.
A lysosome containing undigested material is called
A. a residual body. B. a phagosome. C. a coated vesicle. D. an endosome.
There are three alleles controlling the blood types ABO. I A and I B are codominant genes, so that the
combination I A I B produces the blood type AB. The third allele I O is recessive to the other two alleles. Indicate which of these parents could produce the given child:Parents Child Yes or No (a) A ? AB B (b) A ? O A (c) A ? B O (d) A ? AB O (e) A ? AB B (f) B ? B O (g) AB ? AB A What will be an ideal response?
Diapedesis is the
A. plugging of broken vessels to stop bleeding. B. migration of white blood cells from the blood out to the tissues. C. loss of blood due to hemorrhaging. D. production of white blood cells, red blood cells, and platelets. E. production of only red blood cells.