Which of the following solutions has the
potential to diffuse the fastest?
a. one with large molecules as opposed to
smaller ones
b. one with a higher concentration of
molecules as opposed to one with a lesser
concentration
c. one under low pressure as opposed to one
under high pressure
d. one at a low temperature as opposed to one
at a higher temperature
e. all of these have the potential to diffuse
equally fast
B
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Specific immunity in the extracellular fluid is provide by mainly
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________ is a human hereditary disease that is caused by a dominant allele but does not show up in affected individuals until they are in middle age.
A. Tay-Sachs disease B. Hemophilia C. Huntington's disease D. Cystic fibrosis E. Sickle cell anemia
What characteristics allow conifers to dominate cold, dry habitats?
What will be an ideal response?
Which of the following is not true about the structure of DNA?
A. The bases form the "rungs" of the ladder structure. B. A always pairs with T and G always pairs with C. C. The sides of the ladder structure are made up of sugar and phosphate. D. The two strands are considered parallel. E. The ladder structure is twisted into a double helix.