Because cytosine and guanine are always present in equal numbers, the guanine molecule accounts for 30% of the total.
What is DNA double helix?
- A double helix is a term used in genomics to describe the physical structure of DNA. A DNA molecule is made up of two linked strands that wind around one another to form a twisted ladder shaped like a helix. Each strand has a sugar (deoxyribose) and phosphate backbone that alternates.
- A double helix is a twisted ladder-like structure formed by two linked strands that wind around each other. Each strand has a sugar (deoxyribose) and phosphate backbone that alternates. Each sugar is attached to one of four bases: adenine (A), cytosine (C), guanine (G), or thymine (T).
- DNA and proteins, for example, each have a distinct and ordered structure, such as a right-handed double helix or a single -helix.
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