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What always happens when the nucleotides in a strand of DNA is rearranged?
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Is DNA a single strand of nucleotides?
No, DNA, from difference with the RNA, is a double strand of nucleotides. DNA, double strand (hence the double helix nickname). RNA, single strand.
Is strand of nucleotides in the RNA or DNA?
Both, but RNA sometimes only has 1 side of unpaired nucleotides.
If there are 1200 nucleotides in DNA strand how may codons will be in mRNA strand?
400 codons.Because 3 consecutive nucleotides in a gene together form a codon which codes for amino acids.
Why do dideoxy nucleotides cause the DNA strand to stop elongating?
It doesn't contain an OHO bond so no other nucleotides can attach to it.
How does the nucleotides on one strand of DNA provide a template or guide for the sequence of subunits on the other strand?
They bond, and make a replication of itself.
Is DNA a single strand of nucleotides?
No, DNA, from difference with the RNA, is a double strand of nucleotides. DNA, double strand (hence the double helix nickname). RNA, single strand.
An okazaki fragment has which of the following arrangements?
5' DNA to 3' Bipin
What type of bond is between nucleotides?
In producing a strand of DNA the nucleotides combine to form phosphodiester bonds.
Is strand of nucleotides in the RNA or DNA?
Both, but RNA sometimes only has 1 side of unpaired nucleotides.
If there are 1200 nucleotides in DNA strand how may codons will be in mRNA strand?
400 codons.Because 3 consecutive nucleotides in a gene together form a codon which codes for amino acids.
What is one role that triphosphate deoxyribonucleotides play in a cell?
Triphosphate deoxyribonucleotides form hydrogen bonds with their complements in a DNA parent strand during transcription of the leading strand of DNA. Example Adenine nucleotides bind to thymine nucleotides Guanine nucleotides bind to Cytosine nucleotides
What attaches free nucleotides to the growing DNA strand?
During DNA replication, DNA polymerase binds free DNA nucleotides to an unzipped DNA strand. During transcription, RNA polymerase binds free RNA nucleotides to the unzipped anti-sense DNA strand.
How many nucleotides would it take to construct the mRNA coding strand of the β-subunit of the hemoglobin A molecule?
441 nucleotides
How many bases on a strand of mRNA code for one amino acid?
3 nucleotides
What is adding base pairs to the strand?
Base pairing between the DNA template strand and the RNA nucleotides
Why do dideoxy nucleotides cause the DNA strand to stop elongating?
It doesn't contain an OHO bond so no other nucleotides can attach to it.
What does it mean to say DNA polymerase reads a template strand to make the complementary strand?
During DNA replication, the enzyme DNA polymerase catalyses the formation of new strands of DNA, using the old strands as models. DNA has a double-helix structure, with two strands forming each helix. Each strand is made up of DNA nucleotides, with the genetic information encoded in the sequence of different nucleotides (different nucleotides are distinguished by molecules called 'bases' attached to them, so the sequence of nucleotides is known as the 'base sequence'). The base sequence of one strand is complementary to that of its' neighbour - the base A binds with T, and C with G, so if one strand had the sequence ATTACA, the base sequence of the complementary strand would be TAATGT. When DNA polymerase creates a new DNA strand, it does so by matching nucleotides to the base sequence of one of the strands - the template strand. New nucleotides are brought in, which match the template in a complementary fashion (ie. A-T, C-G), and join to become one new strand. This new strand is complementary to the template.
