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Nitrogenous bases (ATCG)
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∙ 15y ago
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How are the sugar phosphate backbones of a DNA molecule different?
Sugar phosphate backbones do not include the nucleic acids of the DNA. They are composed of a sugar and a phosphate group bonded to each other.
Is the sides of the DNA molecule are made up of repeating nitrogen bases and sugars?
No. The sides of the DNA molecule is made of alternating deoxyribose sugar molecules and phosphate groups.
Is a nucleotide a phosphate sugar nitrogen base?
In a nucleotide the 5-carbon sugar is bonded to the phosphate group, which is bonded to the nitrogenous base. In a chain of nucleotides (a strand of DNA), the nucleotides are connected by covalent bonds between the sugar of one nucleotide, and the phosphate group of the next nucleotide.
What are three compounds of a DNA nucleotide?
The three components of DNA are: base, sugar, and phosphate. A molecule of DNA consists of two strands. Each strand is a linear series of nucleotides. Each nucleotide consists of a base (a purine or pyrimidine), a pentose (five-carbon sugar), and a phosphate group. The sugar is between the base and the phosphate. In a strand, nucleotides are combined through their sugars and phosphates, in such a way that alternating sugars and phosphates form a sugar-phosphate backbone. The bases project at right angles to this backbone.
In a single strand of dna the phosphate group binds to what?
It binds to a Deoxyribose sugar. Thus, the structure of DNA is Phosphate-Deoxyribose-Nitrogenous Base.
What molecules make up the the sides of a DNA molecule?
They are phosphate and deoxyribose (sugar)
What units make up The backbone of the DNA molecule?
Phosphate and sugar molecules
Sugar phosphate and a nitrogen base compound make up the DNA molecule?
true
What molecules make up the backbone of a DNA molecule?
The backbone of the DNA molecule consists of a sugar, deoxyribose and a phosphate group. --(sugars and phosphates)
Do the rungs of DNA connect to phosphate or sugar?
Sugar. The backbone of the DNA molecule is composed of ribose and phosphate, but the bases which make up the "rungs" of DNA are always connected to the sugar. The phosphate is used to bond the sugars together into long strings.
What materials make of each nucleotide in a DNA molecule?
pentose, nitrogenous base, and a phosphate group
What are the 2 constant parts of DNA molecules?
The phosphate and deoxyribose in the backbone of DNA are constant throughout the molecule.
How are the sugar phosphate backbones of a DNA molecule different?
Sugar phosphate backbones do not include the nucleic acids of the DNA. They are composed of a sugar and a phosphate group bonded to each other.
What forms the backbone of the DNA double helix molecule?
The backbone of a DNA chain is sugar and phosphate groups of each nucleotide.
What 2 substances make up the backbone or the sides of the DNA molecule?
The sugar-phosphate backbone of DNA is made up of deoxyribose (a sugar) and phosphate.
What components contribute to DNA molecule?
DNA has sugar, phosphate, and a nitrogenous base.
A DNA molecule consists of how many stands?
The DNA molecule has two strands connected by a sugar phosphate backbone.
