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Hydrophilic sugar phosphate backbone8/10/2023 ![]() ![]() A covalent bond is stronger than a hydrogen bond (hydrogen bonds hold pairs of nucleotides together on opposite strands in DNA). A covalent bond is the sharing of electrons between atoms. The bond formed between the sugar of one nucleotide and the phosphate of an adjacent nucleotide is a covalent bond. What bond holds the sugar phosphate backbone together? ![]() Thus, the covalent bond is crucial to the backbone of the DNA. Why is it important that the sugar-phosphate backbone of DNA is held together by covalent bonds?Įxplanation: The bond formed between the sugar of one nucleotide and the phosphate of an adjacent nucleotide is a covalent bond. Each strand has a backbone made of alternating sugar (deoxyribose) and phosphate groups. What are the two alternating backbone molecule of DNA Brainly?ĭNA consists of two strands that wind around each other like a twisted ladder. Hydrogen bonds connect bases to one another and glycosidic bonds occur between deoxyribose groups and the base groups. What is the name of the linkage that connects phosphates to sugars in the sugar-phosphate backbone of DNA?Įxplanation: The type of bond that holds the phosphate group to the sugar in DNA’s backbone is called a phosphodiester bond. The nitrogen (blue atoms) containing bases are inside, stacking perpendicular to the helix axis. The sugar-phosphate backbone is on the outside of the helix where the polar phosphate groups (red and yellow atoms) can interact with the polar environment. Why is the sugar-phosphate backbone on the outside? DNA consists of two strands that wind around each other like a twisted ladder. …Ī phosphate backbone is the portion of the DNA double helix that provides structural support to the molecule. Sugar-phosphate backbone is composed of alternating sugar and phosphate that defines directionality of the molecules which is negatively charged and hydrophilic to allow the DNA backbone to form bonds with water. What is the sugar-phosphate backbone and why is it described that way?’? This backbone consists of alternating phosphate and sugar groups, with the sugar molecule of one nucleotide linking to the phosphate group of the adjacent nucleotide. What Is a Sugar-phosphate Backbone? The ‘sides’ of the ladder (or strands of DNA) are known as the sugar-phosphate backbone. Why is it called the sugar-phosphate backbone? 10 What makes up the backbone of a strand?.9 Where does the energy for the phosphate backbone come from?.8 Which type of bonds hold the sugars and phosphates together?.7 What bond holds the sugar-phosphate backbone together?.6 What bond holds the sugar phosphate backbone together?. ![]() 5 Why is it important that the sugar-phosphate backbone of DNA is held together by covalent bonds?.4 What is the name of the linkage that connects phosphates to sugars in the sugar-phosphate backbone of DNA?.3 Why is the sugar-phosphate backbone on the outside?.2 What is the sugar-phosphate backbone and why is it described that way?’?.1 Why is it called the sugar-phosphate backbone?. ![]()
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