A picture of the arrangement of an individual's chromosomes by size and centromere location is called a(n) ________
Fill in the blank(s) with correct word
karyotype
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In an acidic solution, the concentration of hydrogen ions is _________ hydroxide ions.
a. less than b. greater than c. equal to d. cannot be determined
The trend toward increased mobility of the world populations will probably lead to
A. increased allele frequency differences among populations. B. decreased allele frequency differences among populations. C. a decrease in mutation rate. D. no change in allele frequency differences among populations because of selection. E. none of these.
The metabolic processes called fermentation
A) produce substrates for the Krebs cycle. B) are alternatives for the pentose phosphate pathway. C) use an organic molecule as a final electron acceptor. D) occur only when oxygen is readily available. E) produce substrates for glycolysis.
Which is not an element found in living matter?
a) water b) hydrogen c) carbon d) oxygen e) nitrogen f) phosphorus