As a biologist, you are researching a population of moles. In the course of your research, you identify a nearby population that
occasionally comes into contact with your study population. What best describes the evolutionary process at work?
A. natural selection
B.gene flow
C. mutation
D. genetic drift
E. artificial selection
A. natural selection
B.gene flow
C. mutation
D. genetic drift
E. artificial selection
1 answer:
Answer:
The evolutionary process at work is best described by option <em>B. gene flow</em>
Explanation:
<em>Gene flow </em>also known as migration is any movement of individuals, and/or the genetic material they carry, from one population to another. If gene versions are carried to a population where those gene versions previously did not exist, gene flow can be a very important source of genetic variation. In this case, the nearby population <em>migrates </em>to the mole population. The diagram is a good description of the <em>Gene flow </em>process.
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According to Raoult's law the relative lowering of vapour pressure of a solution made by dissolving non volatile solute is equal to the mole fraction of the non volatile solute dissolved.
the relative lowering of vapour pressure is the ratio of lowering of vapour pressure and vapour pressure of pure solvent
Where
xB = mole fraction of solute=?
p = 22.8 torr
mole fraction is ratio of moles of solute and total moles of solute and solvent
moles of solvent = mass / molar mass = 500 /18 = 27.78 moles
putting the values
mass of glucose = moles X molar mass = 1.218 X 180 = 219.24 grams
Explanation:
The number of moles of solute present in liter of solution is defined as molarity.
Mathematically, Molarity =
Also, when number of moles are equal in a solution then the formula will be as follows.
It is given that is 8.00 M,
is 7.00 mL, and
is 0.80 M.
Hence, calculate the value of using above formula as follows.
= 70 ml
Thus, we can conclude that the volume after dilution is 70 ml.