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DNA and RNA each have 4 bases, 3 of which are common to both and 1 that differs.

DNA has Thymine, Adenine, Cytosine, Guanine

RNA has Uracil, Adenine, Cytosine, Guanine

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In the synthesis of mRNA an adenine in the DNA pairs with what?

In the synthesis of mRNA, an adenine in the DNA pairs with uracil. This is known as A-U base pairing, which replaces the A-T base pairing found in DNA replication.


What substrates are used in the DNA synthesis reaction?

The substrates used in the DNA synthesis reaction are deoxyribonucleoside triphosphates (dNTPs), which are the building blocks of DNA.


What can be used to radioactively label DNA?

Synthesis of new DNA


Which nitrogen base is not used during replication?

Uracil. Uracil is not present in DNA, but it is present in RNA. DNA's "equivalent" base is thymine, meaning when DNA is transcribed into RNA, the places where thymine would go instead has uracil.


Another term for DNA synthesis?

DNA synthesis is also known as DNA replication.


What is the base uracil?

The base uracil is a nitrogenous base in RNA used for protein synthesis. It replaces Thymine from DNA.


How do the DNA and mRNA base pairs interact during the process of protein synthesis?

During protein synthesis, DNA serves as a template for mRNA to be transcribed. The mRNA base pairs with the complementary DNA strand, forming a sequence that codes for specific amino acids. This mRNA sequence is then translated by ribosomes to assemble the corresponding protein.


One DNA base not normally present in RNA is?

One difference between DNA and RNA is that DNA has a nitrogen base pyrimidine thymine that connects with purine adenine. In RNA, thymine is replaced by another pyrimidine called uracil.


what is a copy of DNA that is used to direct the synthesis of a specific protein?

mRNA (messenger RNA) is a copy of DNA that carries the genetic information from the DNA to the ribosome, where it serves as a template for protein synthesis. The sequence of nucleotides in the mRNA molecule determines the sequence of amino acids in the protein being synthesized.


What is the DNA process?

DNA synthesis or DNA replication


What can mutate?

Mutations are the result of an error in the duplication process of DNA. These include insertion errors in DNA (base-pairing, dimers), DNA silencing, abnormal protein synthesis, and defective chromosomes.


How many strands of DNA are used to make complementary strands of DNA?

Two strands of DNA are used to make complementary strands of DNA. One original strand serves as a template for the synthesis of a new strand, resulting in a double-stranded DNA molecule with base pairing between the original and newly synthesized strands.