Gel electrophoresis is used to separate nucleic acid amplicons based upon what physical property?
a. Sequence
b. Duplex formation
c. Size
d. Secondary folding structure
C
Gel electrophoresis of amplified DNA is based upon size, or length, of the amplified nucleic acid.
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Match each scientist or group of scientists on the left with the appropriate statement to the right.
A) hereditary factors B) pollen grain C) chromosome theory of heredity D) dog saliva E) "ferments" of yeast F) transformation G) DNA double helix H) embryonic plant I) transfer RNA J) embryonic bacteria K) fruit fly L) transcription M) translation N) Calvin-Benson cycle O) "one gene—one enzyme" P) oral bacteria Q) urea 1) Gregor Mendel 2) Walter Sutton 3) Matthias Schleiden 4) Oswald Avery, Colin MacLeod, and Maclyn McCarty 5) George Beadle and Edward Tatum 6) James Watson and Francis Crick 7) Thomas Hunt Morgan 8) Friedrich Wöhler 9) Louis Pasteur
The ____ model of genetic analysis of complex traits assumes that each gene involved has an equal effect on the phenotype
a. cumulative b. additive c. epigenetic d. polygenic e. phenotypic
What is common to both photosystems I and II?
A. Both involve the generation of oxygen. B. Both lose an electron to a primary electron acceptor that passes the electron down an electron transport chain leading to the generation of ATP. C. Both are found in the stroma. D. Both contain a reaction center composed of chlorophyll a. E. Both involve the splitting of water to donate an electron to the reaction center.
Which of the following are functions of rhizobacteria?
I) produce hormones that stimulate plant growth II) produce antibiotics that protect roots from disease III) absorb toxic metals IV) carry out nitrogen fixation A) only II and IV B) only I, II, and III C) only III and IV D) I, II, III, and IV