A northern blot differs from a Southern blot in the
A. type of probe used.
B. presence or absence of a nitrocellulose membrane.
C. size of the genetic sequences involved.
D. number of genetic sequences detected.
E. type of nucleic acid being isolated.
Answer: E
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The series of events during which a newly formed cell grows and divides is ____
a. the cell cycle b. reproduction c. meiosis d. M phase e. S phase
____________________ are organic molecules that include simple sugars, starches, glycogens, and celluloses. Fill in the blank(s) with the appropriate word(s)
Severe combined immunodeficiencies (SCIDs) are due to
A. autoantibodies. B. delayed hypersensitivity. C. a genetic defect in the development of both T cells and B cells. D. congenital absence or immaturity of the thymus gland. E. failure of B-cell development and maturity.
Aelius Galenus or Claudius Galenus, was a prominent Roman (of Greek ethnicity) best known for
A. propagating the hypothesis that poisonous vapour or mist made up of particles from decomposing material, caused disease B. writing De contagione et contagiosis morbis et curatione. In it he described numerous contagious diseases and the means by which contagion can be spread. C. his skills as a surgeon, operating on human patients. Many of his procedures and techniques would not be used again for centuries D. following Hippocrates foot steps and taught medicine in the old University of Alexandria during the Ptolemaic reign in Egypt E. his believes or advocacy of the supernatural causes of, and cures for, diseases.