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∙ 10y agoThe rungs of the DNA "ladder" are pairs of 4 types of nitrogen bases: thymines, adenines, guanines, and cytosines, held together by phosphodiester bonds.
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∙ 11y agophosphodiester bonds
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∙ 13y agoHydrogen bonds
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∙ 11y agoHydrogen Bond
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∙ 14y agoLike we know!
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∙ 13y agocovalent bonds
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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.
How does DNA polymerase function in DNA replication?
DNA Polymerase III is responsible for adding new nucleotides to the strand being created. DNA Polymerase I replaces the primers with DNA nucleotides. The fragments are then joined together by ligase, and a new strand has been created.
If the sequence of nucleotides of one strand of the two strands of DNA was known is it possible to use that information to determine the sequence of the second strand?
Yes because the bases pair uniquely when the strands are joined together.
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.
Okazaki fragments are joined together by?
During DNA replication Okazaki fragments are joined together by DNA polymerase. Remember that Okazaki fragments start with an RNA primer so RNAse H is need to remove the primer follwed by DNA plymerase to add nucleotides and finally DNA ligase to seal the single strand nick.
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.
How does DNA polymerase function in DNA replication?
DNA Polymerase III is responsible for adding new nucleotides to the strand being created. DNA Polymerase I replaces the primers with DNA nucleotides. The fragments are then joined together by ligase, and a new strand has been created.
If the sequence of nucleotides of one strand of the two strands of DNA was known is it possible to use that information to determine the sequence of the second strand?
Yes because the bases pair uniquely when the strands are joined together.
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.
Okazaki fragments are joined together by?
During DNA replication Okazaki fragments are joined together by DNA polymerase. Remember that Okazaki fragments start with an RNA primer so RNAse H is need to remove the primer follwed by DNA plymerase to add nucleotides and finally DNA ligase to seal the single strand nick.
What enzyme joins the nucleotides of a DNA strand together?
That depends on the process. During DNA replication, The nucleotides of the lagging strand (Okazaki fragments) are connected by DNA ligase. In transcription, the nucleotides of RNA are connected by RNA polymerase II.DNA Polymerse
What types of linkage joins the nucleotides a within a single DNA strand and b between two single DNA strands?
Hydrogen Bonds
Does DNA replication require DNA ligase?
If there weren't something such as ligase to covalently link the assembled nucleotides while still linked to the parent strand then that non ligated strand wouldn't be able to be a single strand.
What holds a single DNA strand together?
the nucleus
What kind of strand is the mRNA molecule?
The mRNA molecule encodes the protein product in the cell for translation. It is a double stranded, base-paired, ribonucleic acid that typically encodes a single gene, or protein, product.
How are the strands held together in the double helix?
On a single strand of DNA the nucleotides are held together by covalent bonding between the phosphate group bonded to the 5' end of the deoxyribose, which bonds to another deoxyribose molecule attached to the next nucleotide on the strand at the 3' end of the sugar. This is what holds together a single strand. When two strands of DNA that have exactly complementary base pairing (Adenine bonds with only Thymine, and Cytosine with Guanine) the base forms a hydrogen bond to the base on the opposite strand, only if the base pairing is complementary. So, in short the double helix form is held together by hydrogen bonds between the bases present on the strand.
What is the type of bond that links two nucleotides together in a strand of DNA?
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