The likely outcome from a mutation in the lacO site (lac Operator) of the lac operon would be
A. binding of RNA polymerase could be hindered.
B. binding of a repressor protein could be hindered.
C. binding of the activator protein could be hindered.
D. duplication could be affected.
E. the order in which the genes of the lac operon are transcribed could be altered.
B. binding of a repressor protein could be hindered.
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Regarding megafaunal extinctions, it is assumed that the driving factor was
A. climate change. B. the Ice Age. C. Homo sapiens. D. a meteorite. E. rising sea levels.
Which of the following is not related to the five fundamental characteristics of life?
A) A bacterial cell divides to produce two cells B) Sugars are transported on carrier proteins into cells across the plasma membrane C) Sugars are broken down inside cells to produce energy D) The gene that specifies skin color in frogs is expressed during its development from a tad pole into an adult frog E) Giraffes have longer necks so that they can reach food sources unavailable to other animals
The ecological footprint of a person living in the United States is three times the global average. Name at least three things you could do to decrease the size of your personal ecological footprint
What will be an ideal response?
Explain the role of behavioral thermoregulation in the experiments performed with Caenorhabditis elegans by Anderson and colleagues (2011 )
What will be an ideal response?