Out of your answer choices it is B
Correct answer: C). Thymine
The thymine, which is present in the DNA is replaced by the uracil in the RNA. Uracil is one of the four nitrogenous bases which are found in the RNA. The nitrogenous bases present in the RNA are adenine, guanine, uracil, and cytosine. While the nitrogenous bases found in DNA are Adenine, guanine, thymine, and cytosine.
Hence, thymine is the nitrogenous bases which are not found in RNA.
Answer:
The correct answer is A ❤️
Explanation:
the answer should be d because of the concentration gradient see if that makes sense
The correct answer is A. <span>Using the same restriction enzyme for cutting the desired gene and the vector and using ligase for pasting the gene into the vector. Vectors ensure DNA replication in cells. Restriction enzymes slice the DNA in specific sites; it should be the same so as the two ends will easily complement back together. </span>