The best source for his research about the mechanism of the drug would be : A peer-reviewed research article in a scientific journal ( A )
A peer-reviewed research article would be a best source for his research because peer-reviewed articles are written and reviewed by colleagues in the same scientific field of study.
An article written by an author about how a drug will alleviate pain in dogs and cats and reviewed by his peers will contain detailed information on the mechanism of such drug, therefore this article will be very informative and helpful to the student.
Hence we can conclude that , The best source for his research about the mechanism of the drug would be A peer-reviewed research article in a scientific journal.
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Alfred Wegener was the scientist who proposed the Continental Drift Theory in the early twentieth century. Simply put, his hypothesis proposed that the continents had once been joined, and over time had drifted apart.<span>
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Answer: The correct answer is : It has half the amount of DNA as the cell that began meiosis.
Explanation: Meiosis gives rise to four unique daughter cells, each one having half the number of chromosomes that the mother cell, this is meiosis I. During meiosis II the two cells go through four phases of division again, at this stage there the number of chromosomes in daughter cells is reduced.
Transcription would not take place and the protein would not be produced.
The reason should be denaturing of the active site of the enzyme.
The rate of the enzymic
reaction depends on pH, concentration of substrate, enzyme molecule
concentration and the temperature. With the increase of temperature, the rate
of the enzymic reaction also increases. But this only happens up to a
certain point. After a certain temperature, the rate becomes to
decrease and eventually will stop. This is because denaturing of the enzyme.
Although other factors are perfect, the high temperature causes to break down
of bond interactions and hence the active site will be changed. If
the active site of an enzyme changed, then substrate cannot bind with that enzyme
anymore.<span>
<span>The temperature which the rate of the reaction is
maximum is called optimum temperature and it normally around 40°C. This can be
varied from enzyme to enzyme</span></span>
