Movement of charged molecules in an electrical field, which is used to separate nucleic acid fragments for recombinant DNA work, is called
A. electrophoresis.
B. iontophoresis.
C. plasmaphoresis.
D. nucleophoresis.
Answer: A
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Which of the following examples or elements of culture is uniquely human? Select all that apply
A. an individual learning by imitation from another member of its own species B. an individual teaching another individual of its own species by tailoring the information available to the individual being taught C. regional variation in tool use D. language E. None of these are uniquely human.
All of the following are true about this image EXCEPT:
a. DNA replication has occurred. b. One pair of homologous chromosomes is present. c. The trait represented is heterozygous. d. The genotype is either pp or PP.
What is the correct equation for the Hardy-Weinberg principle?
a. p2 + 2pq2 + q2 + q2 = 100 b. p2 + 2p + 2q + q2 = 1 c. p2 ? 2pq + q2 = 1 d. 2p2 + 2pq + 2q2 = 1000 e. p2 + 2pq + q2 = 1
What was the purpose of the IQ test developed by Alfred Binet?
A) to measure intelligence based on the most accepted theory of the time B) to compare the intelligence of different cultural subpopulations in the general population C) to determine the relative effects of genes and environment on intelligence D) to identify school children in need of remedial help