__________ is an energy-intensive method of
obtaining fresh water from __________. Fill in the blank(s) with the appropriate word(s).
Answer: Desalination; salt water
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The membrane of a resting neuron is most permeable to which of the following ions?
A. Cl- B. Ca2+ C. Na+ D. K+ E. H+
The lifetime patterns of growth, maturation, and reproduction determine the ____ of a species
a. survivorship curve b. life history c. specific mortality d. age-specific fecundity e. dispersion
According to the graph below, which form of enzyme inhibition has the greatest effect on the maximal rate?
a. normal enzymes
b. none effect the maximal rate
c. noncompetitive inhibitors
d. competitive inhibitors
Several biology students have just returned from a field trip in which they were asked to collect prokaryotes and eukaryotes
The eukaryotic organisms were to be divided into plant cells, animal cells, or "other." The students have access to a light and electron microscope. Can you suggest how they could determine whether these cells are prokaryotic or eukaryotic? How could they distinguish plant from animal cells? What will be an ideal response?