The nitrogenous bases in DNA are adenine, guanine, thymine, and cytosine.
The nitrogenous bases in RNA are adenine, guanine, uracil, and cytosine.
So the base in RNA that is different than in DNA is uracil.
Hope this helps.
The US Environmental Protection Energy or EPA is responsible for ensuring the country's drinking water to be safe and with good quality. It is in the Safe Drinking Water Act of 1974 that reclaims in ensuring the purity of drinking water Americans drink. Under the said Act, every citizen has his/her own roles and responsibilities. However, the implementation of such is governed by the EPA.
The answer is : randomization was not used in sample selection. The major difference between experimental and quasi-experimental designs is lack of randomization in sampling selection.
Different enzymes have specific active sites which can only catalyze one <span>substrate. Enzyme-substrate complexes are produced only when the substrate fits into the active site :)</span>
I guess I correct. Can anyone just tell me if I am correct?
