Answer:
The correct answer is A copies the coded message from the DNA to cytoplasm .
Explanation:
mRNA plays a significant role during protein synthesis .mRNA also called messenger RNA contain codons which inturn contains the genetic information that comes from DNA.
mRNA is synthesized inside the nucleus during transcription but when that mRNA is transported into the cytoplasm for translation it carries the coded message or information from DNA of nucleus to the cytoplasm.
Answer:
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Explanation:
Amino Acids. A polypeptide IS a protein.
Molar mass of C is 12.01g/mol.
Molar mass of H is 1.01g/mol.
Molar mass of O is 16.00g/mol.
If we have 19 atoms of C, 38 atoms of H, and 1 atom of O, then we have:
19*12.01+38*1.01+1*16.00=282.57g/mol
282.57g/mol is the molar mass of the pheromone molecule.
Supposing that "<span>1.8 10-12 g" is 1.8*10^(-12)g then, this quantity of pheromones, shoud be divided by the molar mass of the pheromone molecule:
1.8*10^(-12)/282.57g/mol=6.37*10^(-15)moles
Using now Avogadro's number of molecules in 1mol (6.02*10^(23)) it is possible to know how many molecules are there in this pheromone quantity.
</span>6.02*10^(23)/6.37*10^(-15)=9.45*10^(37)molecules
So, in this quantity of the pheromone there are approximately 9.45*10^(37)molecules of it.
One positive impact of this type of power plant on the environment is that I creates no pollution, unlike other types of power plants like nuclear and fossil fuel.
One negative impact of this type of power plant on the environment is that it could harm fish. As the water hits the turbine, fish that it pulls along also hut the turbine, potentially killing them.
hope this helps !