It is an organic compound that has a unique molecular structure. It is found in all prokaryotic cells and eukaryotic cells. DNA Types There are three different DNA types: A-DNA: It is a right-handed double helix similar to the B-DNA form. Dehydrated DNA takes an A form that protects ...
DNA secondary structure is a right-handed double helix with a sugar phosphate backbone on the outside and paired bases (A-T, G-C) on the inside. Which of the following are true?相关知识点: 试题来源: 解析 The two strands are antiparallel....
Various experiments in which circular DNA is unwound by known amounts show that (given this assumption) Lk for relaxed DNA is very roughly equal to N 10 (where N is the number of base-pairs), as expected from the classical double helix. The original model for the double helix was right...
B-DNA is the usual form of DNA that is found in cells and is a double-stranded molecule that forms a right-handed double helix. B-DNA has both a major... See full answer below.Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question...
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state usually assumes the B configuration, a right-handed 20A diameter helix in which the nucleotide base planes are nearly perpendicular to the helix axis, with a vertical distance of 3.4 A between them and with10 base pairs per helix turn, giving a "pitch" of 34 A. Linear DNA in soluti...
Most scientists believe that DNA randomly arose as a right handed structure, and all DNA that has evolved since has had to follow that structure. DNA’s right-handedness may also be due to the Earth’s natural rotation, early human tire swing experimentation, or because our DNA is just too...
state usually assumes the B configuration, a right-handed 20A diameter helix in which the nucleotide base planes are nearly perpendicular to the helix axis, with a vertical distance of 3.4 A between them and with10 base pairs per helix turn, giving a "pitch" of 34 A. Linear DNA in soluti...
DNA secondary structure is a right-handed double helix with a sugar phosphate backbone on the outside and paired bases (A-T, G-C) on the inside. Which of the following are true? A、The two strands are parallel. B、Van der Waal's forces between stacked bases destabilizes the structure...
This domain forms a right-handed a-helical coiled-coil structure with a similar degree of supercoiling as found in the widespread left-handed coiled coils with heptad repeats. The basis for the right-handed geometry of VASP TD is a 15-residue repeat in its amino acid sequence, which reveals...