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The DNA double helix looks like a twisted ladder What makes up each rung of the ladder What makes up the sides of the ladder What holds the rungs together at the sides?
Each rung of the DNA double helix is made up of a pair of nitrogenous bases (adenine-thymine or guanine-cytosine). The sides of the ladder are made up of alternating sugar (deoxyribose) and phosphate molecules. Hydrogen bonds hold the nitrogenous bases of the rungs together, creating the structure of the DNA double helix.
What are sides of a double helix made of?
The sides of a double helix are made of repeating units of sugar and phosphate molecules, which make up the backbone of the DNA molecule. These sugar-phosphate backbones are connected by hydrogen bonds between the nitrogenous bases, forming the characteristic twisting structure of the DNA double helix.
What molecules form the sides of the double helix?
The sides of the DNA double helix are formed by alternating sugar (deoxyribose) and phosphate molecules, which make up the backbone of the structure. The sugar-phosphate backbone provides stability and support for the nitrogenous bases in the center of the helix.
What are the sides of the lader of the double helis made of?
The sides of the ladder of the double helix are made of groups of hydrogen bonding between the purines and pyrimidines. The backbone is made up of sugar-phosphate.
What make up both side of DNA double helix ladder?
The two sides of the DNA double helix ladder are made up of nucleotides. Each nucleotide consists of a sugar molecule, a phosphate group, and a nitrogenous base (adenine, thymine, guanine, or cytosine). The nitrogenous bases on opposite strands pair together through hydrogen bonding (adenine with thymine, and guanine with cytosine), holding the two sides of the ladder together.
What makes up the arms of the DNA spiral?
The arms of the DNA spiral are made up of two intertwined strands of nucleotides. Each strand consists of a sugar-phosphate backbone with nucleotide bases extending inward and forming hydrogen bonds with complementary bases on the opposite strand. This structure creates the double helix shape characteristic of DNA.
What molecule has the shape of a double strand helix?
DNA (deoxyribonucleic acid) has a double helix structure, in which two strands of nucleotides are wound around each other. This helical structure is responsible for carrying genetic information in living organisms.
What does a double helix comprised of?
double helix are made up of some monomeric compound like, nitrogenous compound of purine and pyrimidine, sugar and phosphate in case of DNA. In case of Protein alpha helix, which is also a double helical structure is made up of monomeric amino acids.
What 2 molecules make up the sides of the DNA molecule?
The two molecules that make up the sides of the DNA molecule are deoxyribose sugar and phosphate groups. These molecules alternate to form the sugar-phosphate backbone of the DNA double helix structure.
What is the model of the structure of DNA called?
double helix, twisted ladder, spiral staircase.
The twisted ladder shape of the dna is called?
The twisted ladder shape of DNA is called a double helix.carbohydrate
How many stands make up DNA double helix?
A DNA double helix is made up of two stands that twist around each other in a spiral shape. Each strand consists of a sequence of nucleotide bases that pair up with the bases on the opposite strand, forming the characteristic double helix structure.
