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Where does RNA polymerase begin transcribing a gene into mRNA?
A.) The ribosome directs it to the correct portion of the DNA molecule.B.) It starts after a certain nucleotide sequence called a promoter.C.) It starts at one end of the chromosome.D.) Transfer RNA acts to translate the message to RNA polymerase.
How many distinct molecular mechanisms might be responsible for converting a proto-oncogene into a potent oncogene? What are they and how might they be responsible for the converting?
Calculation of amount of phenol red in micrograms present in 3ml of the solution, you will require to use the following data: the concentration of the unknown 5.0 micromoles, volume = 3ml, MW of phenol red = 376.4g.
Describe a series of small habitats that exist within 10 or 20 kilometers of your house and which might be subject to MacArthur and Wilson's theory of island biogeography.
a bacteria culture starts with 120 bacteria and after 3 hours the population consist of 200 bacteria. What is the rate of increase to the nearest percent?
On an autosome, genes A and B are twenty map units apart. An AABB male mates with an aabb female. What % of the gametes produced by their hybrid offspring will be Ab?
Briefly discuss the scientific and ethical considerations behind the cloning of whole organisms, especially humans.
Why do bacteria secrete proteins? Select one: a. It is a strict requirement for function and to manipulate their environment b. To manipulate their environment and breakdown host target cells c. To change the host cell into a different type of cel..
what is the meaning of the proportionality between reaction rate and enzyme concentration, in terms of how the enzyme acts?
How is the excitation wavelength prevented from reaching your eyes in a fluorescence microscope?
If a DNA molecule containing the base sequence 5' TACTAG 3' unzipped during replication, and replication that occurred in the direction away from the replication fork (to right) proceeded in three-base sequences, what would be the FIRST three-base..
Briefly explain why hydrogen bonds and salt bridges do not contribute much to protein stability at room temperature.
why is there a need to produce Okazaki fragments on the lagging strand, but not on the leading strand of DNA?
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