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The instructions in nucleotides are used to make what?
Cells
Do the rna nucleotides pair exactly as they were DNA replication?
No, RNA nucleotides in transcription pair with complementary DNA nucleotides according to the base pairing rules (A-U, G-C), as opposed to replicating DNA in which DNA nucleotides pair with complementary DNA nucleotides (A-T, G-C).
Where are nucleotides when they aren't being used in DNA molecule?
Nucleus
During which step in the PCR cycle are nucleotides used?
Extention
Used to describe the 3 nucleotides at the base of the cloverleaf of tRNA?
anticodon
One of two purines used as a nitrogen base in nucleotides?
Adenine and Guanine are the two purines used as nitrogen bases in nucleotides. They form complementary base pairs with thymine and cytosine in DNA and with uracil and cytosine in RNA.
Do nucleotides only pair with certain other nucleotides based on their properties?
Yes, nucleotides pair with specific complementary nucleotides based on their chemical properties.
Do nucleotides store energy?
Nucleotides themselves do not store energy, but the bonds between nucleotides in molecules like ATP (adenosine triphosphate) can store and transfer energy within cells. ATP is known as the energy currency of cells and is used to power various cellular processes.
Enzymes used to add free nucleotides when replicating DNA?
DNA polymerase can add free-floating nucleotides to the DNA after it has been "unzipped" by the helicase. It also checks for any awnsers.
What enzyme matches RNA nucleotides to complementary DNA nucleotides?
The enzyme that matches RNA nucleotides to complementary DNA nucleotides is called reverse transcriptase. It is used by retroviruses like HIV to convert their RNA genome into DNA before integrating it into the host cell's genome.
What does a group of three nucleotides code for?
DNA nucleotides 'code' for RNA copies of the DNA strand, but the true 'coding' of nucleotides happen in the ribosome where amino acids are matched to the RNA nucleotides. Nucleotides in DNA are only are present to store genetic data. When a particular gene needs to be used or a protein needs to be made, a RNA copy of the DNA will be made, using the slightly different RNA nucleotides (adenine, uracil, cytosine and guanine). This copy then leaves the nucleus and travels to the ribosome, where the RNA nucleotides are used to assemble amino acids into proteins. Each amino acid matches up to a three-nucleotide sequence.
Purine nucleotides mainly differ from pyrimidine nucleotides in their number of?
Purine nucleotides differ from pyrimidine nucleotides in their structure due to the number of nitrogen-containing rings they have. Purine nucleotides have a double-ring structure, while pyrimidine nucleotides have a single-ring structure.
