A researcher is interested in whether or not a transcription factor binds to a specific site on a strand of DNA. However, the samples accidentally contain SDS. What will the gel mobility shift assay results show?
A. The protein will bind the DNA and retard the movement of the DNA through the gel.
B. The protein will not bind to the DNA and the movement of the DNA through the gel will not be affected
C. The protein will bind the DNA and the movement of the DNA through the gel will not be affected.
D. The protein will not bind the DNA and the movement of the DNA through the gel will be affected.
B
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According to the modern synthesis, macroevolution results from ____
a. abrupt changes in a species environment b. the chance appearance of “hopeful monsters” c. changes in genes that occur in spurts d. abrupt changes in an individual’s genetic make-up e. the gradual accumulation of microevolutionary changes
The main product of the Calvin cycle is
A. carbon dioxide. B. a carbohydrate. C. oxygen. D. ATP. E. NADPH.
The ultimate source of the energy in food is ________
A) the sun B) producers C) ATP D) consumers
Which of the following terms describes bacteriophage DNA that has become integrated into the host cell chromosome?
A) intemperate bacteriophages B) transposons C) prophages D) T-even phages E) plasmids